20695620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31357}}^1$

素因数の和:31380

約数の個数: 48

約数和(自身を含む): 63217728

約数和(自身を除く): 42522108

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 31357, 62714, 94071, 125428, 156785, 188142, 313570, 344927, 376284, 470355, 627140, 689854, 940710, 1034781, 1379708, 1724635, 1881420, 2069562, 3449270, 4139124, 5173905, 6898540, 10347810, 20695620]

約数ペア:

[(1, 20695620), (2, 10347810), (3, 6898540), (4, 5173905), (5, 4139124), (6, 3449270), (10, 2069562), (11, 1881420), (12, 1724635), (15, 1379708), (20, 1034781), (22, 940710), (30, 689854), (33, 627140), (44, 470355), (55, 376284), (60, 344927), (66, 313570), (110, 188142), (132, 156785), (165, 125428), (220, 94071), (330, 62714), (660, 31357)]