20112830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2861}}^1$

素因数の和:2924

約数の個数: 32

約数和(自身を含む): 39152160

約数和(自身を除く): 19039330

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 2861, 3515, 5722, 7030, 14305, 28610, 54359, 105857, 108718, 211714, 271795, 529285, 543590, 1058570, 2011283, 4022566, 10056415, 20112830]

約数ペア:

[(1, 20112830), (2, 10056415), (5, 4022566), (10, 2011283), (19, 1058570), (37, 543590), (38, 529285), (74, 271795), (95, 211714), (185, 108718), (190, 105857), (370, 54359), (703, 28610), (1406, 14305), (2861, 7030), (3515, 5722)]