20400948

素因数分解:

$2^2\times 3^2\times {\mathrm{566693}}^1$

素因数の和:566703

約数の個数: 18

約数和(自身を含む): 51569154

約数和(自身を除く): 31168206

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 566693, 1133386, 1700079, 2266772, 3400158, 5100237, 6800316, 10200474, 20400948]

約数ペア:

[(1, 20400948), (2, 10200474), (3, 6800316), (4, 5100237), (6, 3400158), (9, 2266772), (12, 1700079), (18, 1133386), (36, 566693)]