20860347

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{509}}^1\times {\mathrm{719}}^1$

素因数の和:1250

約数の個数: 16

約数和(自身を含む): 29376000

約数和(自身を除く): 8515653

約数列:

[1, 3, 19, 57, 509, 719, 1527, 2157, 9671, 13661, 29013, 40983, 365971, 1097913, 6953449, 20860347]

約数ペア:

[(1, 20860347), (3, 6953449), (19, 1097913), (57, 365971), (509, 40983), (719, 29013), (1527, 13661), (2157, 9671)]