20807540072

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12444701}}^1$

素因数の和:12444737

約数の個数: 32

約数和(自身を含む): 44800927200

約数和(自身を除く): 23993387128

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12444701, 24889402, 49778804, 99557608, 136891711, 236449319, 273783422, 472898638, 547566844, 945797276, 1095133688, 1891594552, 2600942509, 5201885018, 10403770036, 20807540072]

約数ペア:

[(1, 20807540072), (2, 10403770036), (4, 5201885018), (8, 2600942509), (11, 1891594552), (19, 1095133688), (22, 945797276), (38, 547566844), (44, 472898638), (76, 273783422), (88, 236449319), (152, 136891711), (209, 99557608), (418, 49778804), (836, 24889402), (1672, 12444701)]