20313100

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2861}}^1$

素因数の和:2946

約数の個数: 36

約数和(自身を含む): 44715888

約数和(自身を除く): 24402788

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 2861, 3550, 5722, 7100, 11444, 14305, 28610, 57220, 71525, 143050, 203131, 286100, 406262, 812524, 1015655, 2031310, 4062620, 5078275, 10156550, 20313100]

約数ペア:

[(1, 20313100), (2, 10156550), (4, 5078275), (5, 4062620), (10, 2031310), (20, 1015655), (25, 812524), (50, 406262), (71, 286100), (100, 203131), (142, 143050), (284, 71525), (355, 57220), (710, 28610), (1420, 14305), (1775, 11444), (2861, 7100), (3550, 5722)]