20918956318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{4133}}^1\times {\mathrm{194671}}^1$

素因数の和:198819

約数の個数: 16

約数和(自身を含む): 33800510016

約数和(自身を除く): 12881553698

約数列:

[1, 2, 13, 26, 4133, 8266, 53729, 107458, 194671, 389342, 2530723, 5061446, 804575243, 1609150486, 10459478159, 20918956318]

約数ペア:

[(1, 20918956318), (2, 10459478159), (13, 1609150486), (26, 804575243), (4133, 5061446), (8266, 2530723), (53729, 389342), (107458, 194671)]