20260779820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1811}}^1\times {\mathrm{19289}}^1$

素因数の和:21138

約数の個数: 48

約数和(自身を含む): 44041384800

約数和(自身を除く): 23780604980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 1811, 3622, 7244, 9055, 18110, 19289, 36220, 38578, 52519, 77156, 96445, 105038, 192890, 210076, 262595, 385780, 525190, 559381, 1050380, 1118762, 2237524, 2796905, 5593810, 11187620, 34932379, 69864758, 139729516, 174661895, 349323790, 698647580, 1013038991, 2026077982, 4052155964, 5065194955, 10130389910, 20260779820]

約数ペア:

[(1, 20260779820), (2, 10130389910), (4, 5065194955), (5, 4052155964), (10, 2026077982), (20, 1013038991), (29, 698647580), (58, 349323790), (116, 174661895), (145, 139729516), (290, 69864758), (580, 34932379), (1811, 11187620), (3622, 5593810), (7244, 2796905), (9055, 2237524), (18110, 1118762), (19289, 1050380), (36220, 559381), (38578, 525190), (52519, 385780), (77156, 262595), (96445, 210076), (105038, 192890)]