20992796

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25111}}^1$

素因数の和:25145

約数の個数: 24

約数和(自身を含む): 42188160

約数和(自身を除く): 21195364

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25111, 50222, 100444, 276221, 477109, 552442, 954218, 1104884, 1908436, 5248199, 10496398, 20992796]

約数ペア:

[(1, 20992796), (2, 10496398), (4, 5248199), (11, 1908436), (19, 1104884), (22, 954218), (38, 552442), (44, 477109), (76, 276221), (209, 100444), (418, 50222), (836, 25111)]