20512742985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1433}}^1\times {\mathrm{1567}}^1$

素因数の和:3047

約数の個数: 96

約数和(自身を含む): 42092144640

約数和(自身を除く): 21579401655

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 63, 87, 105, 145, 203, 261, 315, 435, 609, 1015, 1305, 1433, 1567, 1827, 3045, 4299, 4701, 7165, 7835, 9135, 10031, 10969, 12897, 14103, 21495, 23505, 30093, 32907, 41557, 45443, 50155, 54845, 64485, 70515, 90279, 98721, 124671, 136329, 150465, 164535, 207785, 227215, 290899, 318101, 374013, 408987, 451395, 493605, 623355, 681645, 872697, 954303, 1454495, 1590505, 1870065, 2044935, 2245511, 2618091, 2862909, 4363485, 4771515, 6736533, 11227555, 13090455, 14314545, 15718577, 20209599, 33682665, 47155731, 65119819, 78592885, 101047995, 141467193, 195359457, 235778655, 325599095, 455838733, 586078371, 707335965, 976797285, 1367516199, 2279193665, 2930391855, 4102548597, 6837580995, 20512742985]

約数ペア:

[(1, 20512742985), (3, 6837580995), (5, 4102548597), (7, 2930391855), (9, 2279193665), (15, 1367516199), (21, 976797285), (29, 707335965), (35, 586078371), (45, 455838733), (63, 325599095), (87, 235778655), (105, 195359457), (145, 141467193), (203, 101047995), (261, 78592885), (315, 65119819), (435, 47155731), (609, 33682665), (1015, 20209599), (1305, 15718577), (1433, 14314545), (1567, 13090455), (1827, 11227555), (3045, 6736533), (4299, 4771515), (4701, 4363485), (7165, 2862909), (7835, 2618091), (9135, 2245511), (10031, 2044935), (10969, 1870065), (12897, 1590505), (14103, 1454495), (21495, 954303), (23505, 872697), (30093, 681645), (32907, 623355), (41557, 493605), (45443, 451395), (50155, 408987), (54845, 374013), (64485, 318101), (70515, 290899), (90279, 227215), (98721, 207785), (124671, 164535), (136329, 150465)]