20715783

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 10782201

約数列:

[1, 3, 11, 33, 41, 61, 123, 183, 251, 451, 671, 753, 1353, 2013, 2501, 2761, 7503, 8283, 10291, 15311, 27511, 30873, 45933, 82533, 113201, 168421, 339603, 505263, 627751, 1883253, 6905261, 20715783]

約数ペア:

[(1, 20715783), (3, 6905261), (11, 1883253), (33, 627751), (41, 505263), (61, 339603), (123, 168421), (183, 113201), (251, 82533), (451, 45933), (671, 30873), (753, 27511), (1353, 15311), (2013, 10291), (2501, 8283), (2761, 7503)]