20652450

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 67495680

約数和(自身を除く): 46843230

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 21, 25, 26, 30, 34, 35, 39, 42, 50, 51, 65, 70, 75, 78, 85, 89, 91, 102, 105, 119, 130, 150, 170, 175, 178, 182, 195, 210, 221, 238, 255, 267, 273, 325, 350, 357, 390, 425, 442, 445, 455, 510, 525, 534, 546, 595, 623, 650, 663, 714, 850, 890, 910, 975, 1050, 1105, 1157, 1190, 1246, 1275, 1326, 1335, 1365, 1513, 1547, 1785, 1869, 1950, 2210, 2225, 2275, 2314, 2550, 2670, 2730, 2975, 3026, 3094, 3115, 3315, 3471, 3570, 3738, 4450, 4539, 4550, 4641, 5525, 5785, 5950, 6230, 6630, 6675, 6825, 6942, 7565, 7735, 8099, 8925, 9078, 9282, 9345, 10591, 11050, 11570, 13350, 13650, 15130, 15470, 15575, 16198, 16575, 17355, 17850, 18690, 19669, 21182, 22695, 23205, 24297, 28925, 31150, 31773, 33150, 34710, 37825, 38675, 39338, 40495, 45390, 46410, 46725, 48594, 52955, 57850, 59007, 63546, 75650, 77350, 80990, 86775, 93450, 98345, 105910, 113475, 116025, 118014, 121485, 137683, 158865, 173550, 196690, 202475, 226950, 232050, 242970, 264775, 275366, 295035, 317730, 404950, 413049, 491725, 529550, 590070, 607425, 688415, 794325, 826098, 983450, 1214850, 1376830, 1475175, 1588650, 2065245, 2950350, 3442075, 4130490, 6884150, 10326225, 20652450]

約数ペア:

[(1, 20652450), (2, 10326225), (3, 6884150), (5, 4130490), (6, 3442075), (7, 2950350), (10, 2065245), (13, 1588650), (14, 1475175), (15, 1376830), (17, 1214850), (21, 983450), (25, 826098), (26, 794325), (30, 688415), (34, 607425), (35, 590070), (39, 529550), (42, 491725), (50, 413049), (51, 404950), (65, 317730), (70, 295035), (75, 275366), (78, 264775), (85, 242970), (89, 232050), (91, 226950), (102, 202475), (105, 196690), (119, 173550), (130, 158865), (150, 137683), (170, 121485), (175, 118014), (178, 116025), (182, 113475), (195, 105910), (210, 98345), (221, 93450), (238, 86775), (255, 80990), (267, 77350), (273, 75650), (325, 63546), (350, 59007), (357, 57850), (390, 52955), (425, 48594), (442, 46725), (445, 46410), (455, 45390), (510, 40495), (525, 39338), (534, 38675), (546, 37825), (595, 34710), (623, 33150), (650, 31773), (663, 31150), (714, 28925), (850, 24297), (890, 23205), (910, 22695), (975, 21182), (1050, 19669), (1105, 18690), (1157, 17850), (1190, 17355), (1246, 16575), (1275, 16198), (1326, 15575), (1335, 15470), (1365, 15130), (1513, 13650), (1547, 13350), (1785, 11570), (1869, 11050), (1950, 10591), (2210, 9345), (2225, 9282), (2275, 9078), (2314, 8925), (2550, 8099), (2670, 7735), (2730, 7565), (2975, 6942), (3026, 6825), (3094, 6675), (3115, 6630), (3315, 6230), (3471, 5950), (3570, 5785), (3738, 5525), (4450, 4641), (4539, 4550)]