20176975336

素因数分解:

$2^3\times 7^1\times {\mathrm{19553}}^1\times {\mathrm{18427}}^1$

素因数の和:37993

約数の個数: 32

約数和(自身を含む): 43240933440

約数和(自身を除く): 23063958104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 18427, 19553, 36854, 39106, 73708, 78212, 128989, 136871, 147416, 156424, 257978, 273742, 515956, 547484, 1031912, 1094968, 360303131, 720606262, 1441212524, 2522121917, 2882425048, 5044243834, 10088487668, 20176975336]

約数ペア:

[(1, 20176975336), (2, 10088487668), (4, 5044243834), (7, 2882425048), (8, 2522121917), (14, 1441212524), (28, 720606262), (56, 360303131), (18427, 1094968), (19553, 1031912), (36854, 547484), (39106, 515956), (73708, 273742), (78212, 257978), (128989, 156424), (136871, 147416)]