20128499

素因数分解:

${\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:310

約数の個数: 16

約数和(自身を含む): 21500640

約数和(自身を除く): 1372141

約数列:

[1, 41, 53, 59, 157, 2173, 2419, 3127, 6437, 8321, 9263, 128207, 341161, 379783, 490939, 20128499]

約数ペア:

[(1, 20128499), (41, 490939), (53, 379783), (59, 341161), (157, 128207), (2173, 9263), (2419, 8321), (3127, 6437)]