20129520129

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1652263}}^1$

素因数の和:1652428

約数の個数: 16

約数和(自身を含む): 27916652544

約数和(自身を除く): 7787132415

約数列:

[1, 3, 31, 93, 131, 393, 4061, 12183, 1652263, 4956789, 51220153, 153660459, 216446453, 649339359, 6709840043, 20129520129]

約数ペア:

[(1, 20129520129), (3, 6709840043), (31, 649339359), (93, 216446453), (131, 153660459), (393, 51220153), (4061, 4956789), (12183, 1652263)]