20008660360

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2959861}}^1$

素因数の和:2959898

約数の個数: 48

約数和(自身を含む): 48748927140

約数和(自身を除く): 28740266780

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 338, 520, 676, 845, 1352, 1690, 3380, 6760, 2959861, 5919722, 11839444, 14799305, 23678888, 29598610, 38478193, 59197220, 76956386, 118394440, 153912772, 192390965, 307825544, 384781930, 500216509, 769563860, 1000433018, 1539127720, 2000866036, 2501082545, 4001732072, 5002165090, 10004330180, 20008660360]

約数ペア:

[(1, 20008660360), (2, 10004330180), (4, 5002165090), (5, 4001732072), (8, 2501082545), (10, 2000866036), (13, 1539127720), (20, 1000433018), (26, 769563860), (40, 500216509), (52, 384781930), (65, 307825544), (104, 192390965), (130, 153912772), (169, 118394440), (260, 76956386), (338, 59197220), (520, 38478193), (676, 29598610), (845, 23678888), (1352, 14799305), (1690, 11839444), (3380, 5919722), (6760, 2959861)]