20857575635

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1\times {\mathrm{16217}}^1$

素因数の和:16703

約数の個数: 32

約数和(自身を含む): 27594991872

約数和(自身を除く): 6737416237

約数列:

[1, 5, 13, 47, 65, 235, 421, 611, 2105, 3055, 5473, 16217, 19787, 27365, 81085, 98935, 210821, 257231, 762199, 1054105, 1286155, 3810995, 6827357, 9908587, 34136785, 49542935, 88755641, 320885779, 443778205, 1604428895, 4171515127, 20857575635]

約数ペア:

[(1, 20857575635), (5, 4171515127), (13, 1604428895), (47, 443778205), (65, 320885779), (235, 88755641), (421, 49542935), (611, 34136785), (2105, 9908587), (3055, 6827357), (5473, 3810995), (16217, 1286155), (19787, 1054105), (27365, 762199), (81085, 257231), (98935, 210821)]