20178690814

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{22859}}^1$

素因数の和:23128

約数の個数: 32

約数和(自身を含む): 31689446400

約数和(自身を除く): 11510755586

約数列:

[1, 2, 37, 74, 79, 151, 158, 302, 2923, 5587, 5846, 11174, 11929, 22859, 23858, 45718, 441373, 845783, 882746, 1691566, 1805861, 3451709, 3611722, 6903418, 66816857, 127713233, 133633714, 255426466, 272685011, 545370022, 10089345407, 20178690814]

約数ペア:

[(1, 20178690814), (2, 10089345407), (37, 545370022), (74, 272685011), (79, 255426466), (151, 133633714), (158, 127713233), (302, 66816857), (2923, 6903418), (5587, 3611722), (5846, 3451709), (11174, 1805861), (11929, 1691566), (22859, 882746), (23858, 845783), (45718, 441373)]