220020266

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{51239}}^1$

素因数の和:51373

約数の個数: 16

約数和(自身を含む): 350481600

約数和(自身を除く): 130461334

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 51239, 102478, 973541, 1947082, 5790007, 11580014, 110010133, 220020266]

約数ペア:

[(1, 220020266), (2, 110010133), (19, 11580014), (38, 5790007), (113, 1947082), (226, 973541), (2147, 102478), (4294, 51239)]