20215431178

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{11243}}^1\times {\mathrm{47317}}^1$

素因数の和:58581

約数の個数: 16

約数和(自身を含む): 31922615520

約数和(自身を除く): 11707184342

約数列:

[1, 2, 19, 38, 11243, 22486, 47317, 94634, 213617, 427234, 899023, 1798046, 531985031, 1063970062, 10107715589, 20215431178]

約数ペア:

[(1, 20215431178), (2, 10107715589), (19, 1063970062), (38, 531985031), (11243, 1798046), (22486, 899023), (47317, 427234), (94634, 213617)]