20310362840

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^2\times {\mathrm{22871}}^1$

素因数の和:23180

約数の個数: 48

約数和(自身を含む): 46009086480

約数和(自身を除く): 25698723640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 22201, 22871, 44402, 45742, 88804, 91484, 111005, 114355, 177608, 182968, 222010, 228710, 444020, 457420, 888040, 914840, 3407779, 6815558, 13631116, 17038895, 27262232, 34077790, 68155580, 136311160, 507759071, 1015518142, 2031036284, 2538795355, 4062072568, 5077590710, 10155181420, 20310362840]

約数ペア:

[(1, 20310362840), (2, 10155181420), (4, 5077590710), (5, 4062072568), (8, 2538795355), (10, 2031036284), (20, 1015518142), (40, 507759071), (149, 136311160), (298, 68155580), (596, 34077790), (745, 27262232), (1192, 17038895), (1490, 13631116), (2980, 6815558), (5960, 3407779), (22201, 914840), (22871, 888040), (44402, 457420), (45742, 444020), (88804, 228710), (91484, 222010), (111005, 182968), (114355, 177608)]