20203315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15971}}^1$

素因数の和:16010

約数の個数: 16

約数和(自身を含む): 27599616

約数和(自身を除く): 7396301

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15971, 79855, 175681, 367333, 878405, 1836665, 4040663, 20203315]

約数ペア:

[(1, 20203315), (5, 4040663), (11, 1836665), (23, 878405), (55, 367333), (115, 175681), (253, 79855), (1265, 15971)]