2001445820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{16333}}^1$

素因数の和:16910

約数の個数: 48

約数和(自身を含む): 4593643488

約数和(自身を除く): 2592197668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 557, 1114, 2228, 2785, 5570, 6127, 11140, 12254, 16333, 24508, 30635, 32666, 61270, 65332, 81665, 122540, 163330, 179663, 326660, 359326, 718652, 898315, 1796630, 3593260, 9097481, 18194962, 36389924, 45487405, 90974810, 100072291, 181949620, 200144582, 400289164, 500361455, 1000722910, 2001445820]

約数ペア:

[(1, 2001445820), (2, 1000722910), (4, 500361455), (5, 400289164), (10, 200144582), (11, 181949620), (20, 100072291), (22, 90974810), (44, 45487405), (55, 36389924), (110, 18194962), (220, 9097481), (557, 3593260), (1114, 1796630), (2228, 898315), (2785, 718652), (5570, 359326), (6127, 326660), (11140, 179663), (12254, 163330), (16333, 122540), (24508, 81665), (30635, 65332), (32666, 61270)]