20125853240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{558431}}^1$

素因数の和:558512

約数の個数: 64

約数和(自身を含む): 48851631360

約数和(自身を除く): 28725778120

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 170, 212, 265, 340, 424, 530, 680, 901, 1060, 1802, 2120, 3604, 4505, 7208, 9010, 18020, 36040, 558431, 1116862, 2233724, 2792155, 4467448, 5584310, 9493327, 11168620, 18986654, 22337240, 29596843, 37973308, 47466635, 59193686, 75946616, 94933270, 118387372, 147984215, 189866540, 236774744, 295968430, 379733080, 503146331, 591936860, 1006292662, 1183873720, 2012585324, 2515731655, 4025170648, 5031463310, 10062926620, 20125853240]

約数ペア:

[(1, 20125853240), (2, 10062926620), (4, 5031463310), (5, 4025170648), (8, 2515731655), (10, 2012585324), (17, 1183873720), (20, 1006292662), (34, 591936860), (40, 503146331), (53, 379733080), (68, 295968430), (85, 236774744), (106, 189866540), (136, 147984215), (170, 118387372), (212, 94933270), (265, 75946616), (340, 59193686), (424, 47466635), (530, 37973308), (680, 29596843), (901, 22337240), (1060, 18986654), (1802, 11168620), (2120, 9493327), (3604, 5584310), (4505, 4467448), (7208, 2792155), (9010, 2233724), (18020, 1116862), (36040, 558431)]