20589660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:457

約数の個数: 192

約数和(自身を含む): 79027200

約数和(自身を除く): 58437540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 419, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 838, 910, 945, 1092, 1170, 1257, 1260, 1365, 1404, 1638, 1676, 1755, 1820, 1890, 2095, 2340, 2457, 2514, 2730, 2933, 3276, 3510, 3771, 3780, 4095, 4190, 4914, 5028, 5447, 5460, 5866, 6285, 7020, 7542, 8190, 8380, 8799, 9828, 10894, 11313, 11732, 12285, 12570, 14665, 15084, 16341, 16380, 17598, 18855, 21788, 22626, 24570, 25140, 26397, 27235, 29330, 32682, 35196, 37710, 38129, 43995, 45252, 49023, 49140, 52794, 54470, 56565, 58660, 65364, 75420, 76258, 79191, 81705, 87990, 98046, 105588, 108940, 113130, 114387, 131985, 147069, 152516, 158382, 163410, 175980, 190645, 196092, 226260, 228774, 245115, 263970, 294138, 316764, 326820, 343161, 381290, 395955, 457548, 490230, 527940, 571935, 588276, 686322, 735345, 762580, 791910, 980460, 1029483, 1143870, 1372644, 1470690, 1583820, 1715805, 2058966, 2287740, 2941380, 3431610, 4117932, 5147415, 6863220, 10294830, 20589660]

約数ペア:

[(1, 20589660), (2, 10294830), (3, 6863220), (4, 5147415), (5, 4117932), (6, 3431610), (7, 2941380), (9, 2287740), (10, 2058966), (12, 1715805), (13, 1583820), (14, 1470690), (15, 1372644), (18, 1143870), (20, 1029483), (21, 980460), (26, 791910), (27, 762580), (28, 735345), (30, 686322), (35, 588276), (36, 571935), (39, 527940), (42, 490230), (45, 457548), (52, 395955), (54, 381290), (60, 343161), (63, 326820), (65, 316764), (70, 294138), (78, 263970), (84, 245115), (90, 228774), (91, 226260), (105, 196092), (108, 190645), (117, 175980), (126, 163410), (130, 158382), (135, 152516), (140, 147069), (156, 131985), (180, 114387), (182, 113130), (189, 108940), (195, 105588), (210, 98046), (234, 87990), (252, 81705), (260, 79191), (270, 76258), (273, 75420), (315, 65364), (351, 58660), (364, 56565), (378, 54470), (390, 52794), (419, 49140), (420, 49023), (455, 45252), (468, 43995), (540, 38129), (546, 37710), (585, 35196), (630, 32682), (702, 29330), (756, 27235), (780, 26397), (819, 25140), (838, 24570), (910, 22626), (945, 21788), (1092, 18855), (1170, 17598), (1257, 16380), (1260, 16341), (1365, 15084), (1404, 14665), (1638, 12570), (1676, 12285), (1755, 11732), (1820, 11313), (1890, 10894), (2095, 9828), (2340, 8799), (2457, 8380), (2514, 8190), (2730, 7542), (2933, 7020), (3276, 6285), (3510, 5866), (3771, 5460), (3780, 5447), (4095, 5028), (4190, 4914)]