20707830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1609}}^1$

素因数の和:1646

約数の個数: 96

約数和(自身を含む): 63292320

約数和(自身を除く): 42584490

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 13, 15, 18, 22, 26, 30, 33, 39, 45, 55, 65, 66, 78, 90, 99, 110, 117, 130, 143, 165, 195, 198, 234, 286, 330, 390, 429, 495, 585, 715, 858, 990, 1170, 1287, 1430, 1609, 2145, 2574, 3218, 4290, 4827, 6435, 8045, 9654, 12870, 14481, 16090, 17699, 20917, 24135, 28962, 35398, 41834, 48270, 53097, 62751, 72405, 88495, 104585, 106194, 125502, 144810, 159291, 176990, 188253, 209170, 230087, 265485, 313755, 318582, 376506, 460174, 530970, 627510, 690261, 796455, 941265, 1150435, 1380522, 1592910, 1882530, 2070783, 2300870, 3451305, 4141566, 6902610, 10353915, 20707830]

約数ペア:

[(1, 20707830), (2, 10353915), (3, 6902610), (5, 4141566), (6, 3451305), (9, 2300870), (10, 2070783), (11, 1882530), (13, 1592910), (15, 1380522), (18, 1150435), (22, 941265), (26, 796455), (30, 690261), (33, 627510), (39, 530970), (45, 460174), (55, 376506), (65, 318582), (66, 313755), (78, 265485), (90, 230087), (99, 209170), (110, 188253), (117, 176990), (130, 159291), (143, 144810), (165, 125502), (195, 106194), (198, 104585), (234, 88495), (286, 72405), (330, 62751), (390, 53097), (429, 48270), (495, 41834), (585, 35398), (715, 28962), (858, 24135), (990, 20917), (1170, 17699), (1287, 16090), (1430, 14481), (1609, 12870), (2145, 9654), (2574, 8045), (3218, 6435), (4290, 4827)]