20121635905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{24995821}}^1$

素因数の和:24995856

約数の個数: 16

約数和(自身を含む): 28795186944

約数和(自身を除く): 8673551039

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 24995821, 124979105, 174970747, 574903883, 874853735, 2874519415, 4024327181, 20121635905]

約数ペア:

[(1, 20121635905), (5, 4024327181), (7, 2874519415), (23, 874853735), (35, 574903883), (115, 174970747), (161, 124979105), (805, 24995821)]