20747160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{8233}}^1$

素因数の和:8257

約数の個数: 96

約数和(自身を含む): 77070240

約数和(自身を除く): 56323080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 8233, 16466, 24699, 32932, 41165, 49398, 57631, 65864, 74097, 82330, 98796, 115262, 123495, 148194, 164660, 172893, 197592, 230524, 246990, 288155, 296388, 329320, 345786, 370485, 461048, 493980, 518679, 576310, 592776, 691572, 740970, 864465, 987960, 1037358, 1152620, 1383144, 1481940, 1728930, 2074716, 2305240, 2593395, 2963880, 3457860, 4149432, 5186790, 6915720, 10373580, 20747160]

約数ペア:

[(1, 20747160), (2, 10373580), (3, 6915720), (4, 5186790), (5, 4149432), (6, 3457860), (7, 2963880), (8, 2593395), (9, 2305240), (10, 2074716), (12, 1728930), (14, 1481940), (15, 1383144), (18, 1152620), (20, 1037358), (21, 987960), (24, 864465), (28, 740970), (30, 691572), (35, 592776), (36, 576310), (40, 518679), (42, 493980), (45, 461048), (56, 370485), (60, 345786), (63, 329320), (70, 296388), (72, 288155), (84, 246990), (90, 230524), (105, 197592), (120, 172893), (126, 164660), (140, 148194), (168, 123495), (180, 115262), (210, 98796), (252, 82330), (280, 74097), (315, 65864), (360, 57631), (420, 49398), (504, 41165), (630, 32932), (840, 24699), (1260, 16466), (2520, 8233)]