20983690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23059}}^1$

素因数の和:23086

約数の個数: 32

約数和(自身を含む): 46488960

約数和(自身を除く): 25505270

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 23059, 46118, 115295, 161413, 230590, 299767, 322826, 599534, 807065, 1498835, 1614130, 2098369, 2997670, 4196738, 10491845, 20983690]

約数ペア:

[(1, 20983690), (2, 10491845), (5, 4196738), (7, 2997670), (10, 2098369), (13, 1614130), (14, 1498835), (26, 807065), (35, 599534), (65, 322826), (70, 299767), (91, 230590), (130, 161413), (182, 115295), (455, 46118), (910, 23059)]