20743650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1536

約数の個数: 72

約数和(自身を含む): 57567744

約数和(自身を除く): 36824094

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 150, 155, 186, 225, 279, 310, 450, 465, 558, 775, 930, 1395, 1487, 1550, 2325, 2790, 2974, 4461, 4650, 6975, 7435, 8922, 13383, 13950, 14870, 22305, 26766, 37175, 44610, 46097, 66915, 74350, 92194, 111525, 133830, 138291, 223050, 230485, 276582, 334575, 414873, 460970, 669150, 691455, 829746, 1152425, 1382910, 2074365, 2304850, 3457275, 4148730, 6914550, 10371825, 20743650]

約数ペア:

[(1, 20743650), (2, 10371825), (3, 6914550), (5, 4148730), (6, 3457275), (9, 2304850), (10, 2074365), (15, 1382910), (18, 1152425), (25, 829746), (30, 691455), (31, 669150), (45, 460970), (50, 414873), (62, 334575), (75, 276582), (90, 230485), (93, 223050), (150, 138291), (155, 133830), (186, 111525), (225, 92194), (279, 74350), (310, 66915), (450, 46097), (465, 44610), (558, 37175), (775, 26766), (930, 22305), (1395, 14870), (1487, 13950), (1550, 13383), (2325, 8922), (2790, 7435), (2974, 6975), (4461, 4650)]