20157388730

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^2\times {\mathrm{50773}}^1$

素因数の和:50883

約数の個数: 48

約数和(自身を含む): 38577069720

約数和(自身を除く): 18419680990

約数列:

[1, 2, 5, 10, 29, 37, 58, 74, 145, 185, 290, 370, 1073, 1369, 2146, 2738, 5365, 6845, 10730, 13690, 39701, 50773, 79402, 101546, 198505, 253865, 397010, 507730, 1472417, 1878601, 2944834, 3757202, 7362085, 9393005, 14724170, 18786010, 54479429, 69508237, 108958858, 139016474, 272397145, 347541185, 544794290, 695082370, 2015738873, 4031477746, 10078694365, 20157388730]

約数ペア:

[(1, 20157388730), (2, 10078694365), (5, 4031477746), (10, 2015738873), (29, 695082370), (37, 544794290), (58, 347541185), (74, 272397145), (145, 139016474), (185, 108958858), (290, 69508237), (370, 54479429), (1073, 18786010), (1369, 14724170), (2146, 9393005), (2738, 7362085), (5365, 3757202), (6845, 2944834), (10730, 1878601), (13690, 1472417), (39701, 507730), (50773, 397010), (79402, 253865), (101546, 198505)]