20110516978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{7453861}}^1$

素因数の和:7453953

約数の個数: 16

約数和(自身を含む): 32200683840

約数和(自身を除く): 12090166862

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 7453861, 14907722, 141623359, 283246718, 529224131, 1058448262, 10055258489, 20110516978]

約数ペア:

[(1, 20110516978), (2, 10055258489), (19, 1058448262), (38, 529224131), (71, 283246718), (142, 141623359), (1349, 14907722), (2698, 7453861)]