20177244585

素因数分解:

$3^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{118903}}^1$

素因数の和:119339

約数の個数: 40

約数和(自身を含む): 36256207680

約数和(自身を除く): 16078963095

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 419, 1257, 2095, 3771, 6285, 11313, 18855, 33939, 56565, 118903, 169695, 356709, 594515, 1070127, 1783545, 3210381, 5350635, 9631143, 16051905, 48155715, 49820357, 149461071, 249101785, 448383213, 747305355, 1345149639, 2241916065, 4035448917, 6725748195, 20177244585]

約数ペア:

[(1, 20177244585), (3, 6725748195), (5, 4035448917), (9, 2241916065), (15, 1345149639), (27, 747305355), (45, 448383213), (81, 249101785), (135, 149461071), (405, 49820357), (419, 48155715), (1257, 16051905), (2095, 9631143), (3771, 5350635), (6285, 3210381), (11313, 1783545), (18855, 1070127), (33939, 594515), (56565, 356709), (118903, 169695)]