20327580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1$

素因数の和:125

約数の個数: 288

約数和(自身を含む): 81454464

約数和(自身を除く): 61126884

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 17, 18, 20, 21, 26, 28, 30, 34, 35, 36, 39, 42, 45, 51, 52, 60, 63, 65, 68, 70, 73, 78, 84, 85, 90, 91, 102, 105, 117, 119, 126, 130, 140, 146, 153, 156, 170, 180, 182, 195, 204, 210, 219, 221, 234, 238, 252, 255, 260, 273, 292, 306, 315, 340, 357, 364, 365, 390, 420, 438, 442, 455, 468, 476, 510, 511, 546, 585, 595, 612, 630, 657, 663, 714, 730, 765, 780, 819, 876, 884, 910, 949, 1020, 1022, 1071, 1092, 1095, 1105, 1170, 1190, 1241, 1260, 1314, 1326, 1365, 1428, 1460, 1530, 1533, 1547, 1638, 1785, 1820, 1898, 1989, 2044, 2142, 2190, 2210, 2340, 2380, 2482, 2555, 2628, 2652, 2730, 2847, 3060, 3066, 3094, 3276, 3285, 3315, 3570, 3723, 3796, 3978, 4095, 4284, 4380, 4420, 4599, 4641, 4745, 4964, 5110, 5355, 5460, 5694, 6132, 6188, 6205, 6570, 6630, 6643, 7140, 7446, 7665, 7735, 7956, 8190, 8541, 8687, 9198, 9282, 9490, 9945, 10220, 10710, 11169, 11388, 12410, 13140, 13260, 13286, 13923, 14235, 14892, 15330, 15470, 16133, 16380, 17082, 17374, 18396, 18564, 18615, 18980, 19890, 19929, 21420, 22338, 22995, 23205, 24820, 26061, 26572, 27846, 28470, 30660, 30940, 32266, 33215, 34164, 34748, 37230, 39780, 39858, 42705, 43435, 44676, 45990, 46410, 48399, 52122, 55692, 55845, 56940, 59787, 64532, 66430, 69615, 74460, 78183, 79716, 80665, 85410, 86870, 91980, 92820, 96798, 99645, 104244, 111690, 112931, 119574, 130305, 132860, 139230, 145197, 156366, 161330, 170820, 173740, 193596, 199290, 223380, 225862, 239148, 241995, 260610, 278460, 290394, 298935, 312732, 322660, 338793, 390915, 398580, 451724, 483990, 521220, 564655, 580788, 597870, 677586, 725985, 781830, 967980, 1016379, 1129310, 1195740, 1355172, 1451970, 1563660, 1693965, 2032758, 2258620, 2903940, 3387930, 4065516, 5081895, 6775860, 10163790, 20327580]

約数ペア:

[(1, 20327580), (2, 10163790), (3, 6775860), (4, 5081895), (5, 4065516), (6, 3387930), (7, 2903940), (9, 2258620), (10, 2032758), (12, 1693965), (13, 1563660), (14, 1451970), (15, 1355172), (17, 1195740), (18, 1129310), (20, 1016379), (21, 967980), (26, 781830), (28, 725985), (30, 677586), (34, 597870), (35, 580788), (36, 564655), (39, 521220), (42, 483990), (45, 451724), (51, 398580), (52, 390915), (60, 338793), (63, 322660), (65, 312732), (68, 298935), (70, 290394), (73, 278460), (78, 260610), (84, 241995), (85, 239148), (90, 225862), (91, 223380), (102, 199290), (105, 193596), (117, 173740), (119, 170820), (126, 161330), (130, 156366), (140, 145197), (146, 139230), (153, 132860), (156, 130305), (170, 119574), (180, 112931), (182, 111690), (195, 104244), (204, 99645), (210, 96798), (219, 92820), (221, 91980), (234, 86870), (238, 85410), (252, 80665), (255, 79716), (260, 78183), (273, 74460), (292, 69615), (306, 66430), (315, 64532), (340, 59787), (357, 56940), (364, 55845), (365, 55692), (390, 52122), (420, 48399), (438, 46410), (442, 45990), (455, 44676), (468, 43435), (476, 42705), (510, 39858), (511, 39780), (546, 37230), (585, 34748), (595, 34164), (612, 33215), (630, 32266), (657, 30940), (663, 30660), (714, 28470), (730, 27846), (765, 26572), (780, 26061), (819, 24820), (876, 23205), (884, 22995), (910, 22338), (949, 21420), (1020, 19929), (1022, 19890), (1071, 18980), (1092, 18615), (1095, 18564), (1105, 18396), (1170, 17374), (1190, 17082), (1241, 16380), (1260, 16133), (1314, 15470), (1326, 15330), (1365, 14892), (1428, 14235), (1460, 13923), (1530, 13286), (1533, 13260), (1547, 13140), (1638, 12410), (1785, 11388), (1820, 11169), (1898, 10710), (1989, 10220), (2044, 9945), (2142, 9490), (2190, 9282), (2210, 9198), (2340, 8687), (2380, 8541), (2482, 8190), (2555, 7956), (2628, 7735), (2652, 7665), (2730, 7446), (2847, 7140), (3060, 6643), (3066, 6630), (3094, 6570), (3276, 6205), (3285, 6188), (3315, 6132), (3570, 5694), (3723, 5460), (3796, 5355), (3978, 5110), (4095, 4964), (4284, 4745), (4380, 4641), (4420, 4599)]