220178090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2001619}}^1$

素因数の和:2001637

約数の個数: 16

約数和(自身を含む): 432349920

約数和(自身を除く): 212171830

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 2001619, 4003238, 10008095, 20016190, 22017809, 44035618, 110089045, 220178090]

約数ペア:

[(1, 220178090), (2, 110089045), (5, 44035618), (10, 22017809), (11, 20016190), (22, 10008095), (55, 4003238), (110, 2001619)]