20176069225

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{2791}}^1$

素因数の和:2915

約数の個数: 72

約数和(自身を含む): 28510228800

約数和(自身を除く): 8334159575

約数列:

[1, 5, 13, 25, 29, 59, 65, 145, 169, 295, 325, 377, 725, 767, 845, 1475, 1711, 1885, 2791, 3835, 4225, 4901, 8555, 9425, 9971, 13955, 19175, 22243, 24505, 36283, 42775, 49855, 69775, 80939, 111215, 122525, 164669, 181415, 249275, 289159, 404695, 471679, 556075, 823345, 907075, 1052207, 1445795, 2023475, 2140697, 2358395, 4116725, 4775401, 5261035, 7228975, 10703485, 11791975, 13678691, 23877005, 26305175, 27829061, 53517425, 62080213, 68393455, 119385025, 139145305, 310401065, 341967275, 695726525, 807042769, 1552005325, 4035213845, 20176069225]

約数ペア:

[(1, 20176069225), (5, 4035213845), (13, 1552005325), (25, 807042769), (29, 695726525), (59, 341967275), (65, 310401065), (145, 139145305), (169, 119385025), (295, 68393455), (325, 62080213), (377, 53517425), (725, 27829061), (767, 26305175), (845, 23877005), (1475, 13678691), (1711, 11791975), (1885, 10703485), (2791, 7228975), (3835, 5261035), (4225, 4775401), (4901, 4116725), (8555, 2358395), (9425, 2140697), (9971, 2023475), (13955, 1445795), (19175, 1052207), (22243, 907075), (24505, 823345), (36283, 556075), (42775, 471679), (49855, 404695), (69775, 289159), (80939, 249275), (111215, 181415), (122525, 164669)]