20717503495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{881}}^1\times {\mathrm{1093}}^1$

素因数の和:2323

約数の個数: 32

約数和(自身を含む): 26909354304

約数和(自身を除く): 6191850809

約数列:

[1, 5, 13, 65, 331, 881, 1093, 1655, 4303, 4405, 5465, 11453, 14209, 21515, 57265, 71045, 291611, 361783, 962933, 1458055, 1808915, 3790943, 4703179, 4814665, 12518129, 18954715, 23515895, 62590645, 318730823, 1593654115, 4143500699, 20717503495]

約数ペア:

[(1, 20717503495), (5, 4143500699), (13, 1593654115), (65, 318730823), (331, 62590645), (881, 23515895), (1093, 18954715), (1655, 12518129), (4303, 4814665), (4405, 4703179), (5465, 3790943), (11453, 1808915), (14209, 1458055), (21515, 962933), (57265, 361783), (71045, 291611)]