20302440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{461}}^1$

素因数の和:842

約数の個数: 64

約数和(自身を含む): 61205760

約数和(自身を除く): 40903320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 367, 461, 734, 922, 1101, 1383, 1468, 1835, 1844, 2202, 2305, 2766, 2936, 3670, 3688, 4404, 4610, 5505, 5532, 6915, 7340, 8808, 9220, 11010, 11064, 13830, 14680, 18440, 22020, 27660, 44040, 55320, 169187, 338374, 507561, 676748, 845935, 1015122, 1353496, 1691870, 2030244, 2537805, 3383740, 4060488, 5075610, 6767480, 10151220, 20302440]

約数ペア:

[(1, 20302440), (2, 10151220), (3, 6767480), (4, 5075610), (5, 4060488), (6, 3383740), (8, 2537805), (10, 2030244), (12, 1691870), (15, 1353496), (20, 1015122), (24, 845935), (30, 676748), (40, 507561), (60, 338374), (120, 169187), (367, 55320), (461, 44040), (734, 27660), (922, 22020), (1101, 18440), (1383, 14680), (1468, 13830), (1835, 11064), (1844, 11010), (2202, 9220), (2305, 8808), (2766, 7340), (2936, 6915), (3670, 5532), (3688, 5505), (4404, 4610)]