20565513375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{881}}^1\times {\mathrm{5659}}^1$

素因数の和:6569

約数の個数: 64

約数和(自身を含む): 37380994560

約数和(自身を除く): 16815481185

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 881, 1375, 2643, 4125, 4405, 5659, 9691, 13215, 16977, 22025, 28295, 29073, 48455, 62249, 66075, 84885, 110125, 141475, 145365, 186747, 242275, 311245, 330375, 424425, 707375, 726825, 933735, 1211375, 1556225, 2122125, 3634125, 4668675, 4985579, 7781125, 14956737, 23343375, 24927895, 54841369, 74783685, 124639475, 164524107, 274206845, 373918425, 623197375, 822620535, 1371034225, 1869592125, 4113102675, 6855171125, 20565513375]

約数ペア:

[(1, 20565513375), (3, 6855171125), (5, 4113102675), (11, 1869592125), (15, 1371034225), (25, 822620535), (33, 623197375), (55, 373918425), (75, 274206845), (125, 164524107), (165, 124639475), (275, 74783685), (375, 54841369), (825, 24927895), (881, 23343375), (1375, 14956737), (2643, 7781125), (4125, 4985579), (4405, 4668675), (5659, 3634125), (9691, 2122125), (13215, 1556225), (16977, 1211375), (22025, 933735), (28295, 726825), (29073, 707375), (48455, 424425), (62249, 330375), (66075, 311245), (84885, 242275), (110125, 186747), (141475, 145365)]