20125081581

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{168887}}^1$

素因数の和:169081

約数の個数: 32

約数和(自身を含む): 30740318208

約数和(自身を除く): 10615236627

約数列:

[1, 3, 11, 23, 33, 69, 157, 253, 471, 759, 1727, 3611, 5181, 10833, 39721, 119163, 168887, 506661, 1857757, 3884401, 5573271, 11653203, 26515259, 42728411, 79545777, 128185233, 291667849, 609850957, 875003547, 1829552871, 6708360527, 20125081581]

約数ペア:

[(1, 20125081581), (3, 6708360527), (11, 1829552871), (23, 875003547), (33, 609850957), (69, 291667849), (157, 128185233), (253, 79545777), (471, 42728411), (759, 26515259), (1727, 11653203), (3611, 5573271), (5181, 3884401), (10833, 1857757), (39721, 506661), (119163, 168887)]