20199863605

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{2243}}^1\times {\mathrm{29527}}^1$

素因数の和:31836

約数の個数: 16

約数和(自身を含む): 24649029504

約数和(自身を除く): 4449165899

約数列:

[1, 5, 61, 305, 2243, 11215, 29527, 136823, 147635, 684115, 1801147, 9005735, 66229061, 331145305, 4039972721, 20199863605]

約数ペア:

[(1, 20199863605), (5, 4039972721), (61, 331145305), (305, 66229061), (2243, 9005735), (11215, 1801147), (29527, 684115), (136823, 147635)]