20649630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29927}}^1$

素因数の和:29960

約数の個数: 32

約数和(自身を含む): 51715584

約数和(自身を除く): 31065954

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 29927, 59854, 89781, 149635, 179562, 299270, 448905, 688321, 897810, 1376642, 2064963, 3441605, 4129926, 6883210, 10324815, 20649630]

約数ペア:

[(1, 20649630), (2, 10324815), (3, 6883210), (5, 4129926), (6, 3441605), (10, 2064963), (15, 1376642), (23, 897810), (30, 688321), (46, 448905), (69, 299270), (115, 179562), (138, 149635), (230, 89781), (345, 59854), (690, 29927)]