20492792

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4649}}^1$

素因数の和:4703

約数の個数: 32

約数和(自身を含む): 41850000

約数和(自身を除く): 21357208

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4649, 9298, 18596, 37192, 88331, 134821, 176662, 269642, 353324, 539284, 706648, 1078568, 2561599, 5123198, 10246396, 20492792]

約数ペア:

[(1, 20492792), (2, 10246396), (4, 5123198), (8, 2561599), (19, 1078568), (29, 706648), (38, 539284), (58, 353324), (76, 269642), (116, 176662), (152, 134821), (232, 88331), (551, 37192), (1102, 18596), (2204, 9298), (4408, 4649)]