20243329925

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{240491}}^1$

素因数の和:240558

約数の個数: 48

約数和(自身を含む): 31729552512

約数和(自身を除く): 11486222587

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 175, 185, 259, 325, 455, 481, 925, 1295, 2275, 2405, 3367, 6475, 12025, 16835, 84175, 240491, 1202455, 1683437, 3126383, 6012275, 8417185, 8898167, 15631915, 21884681, 42085925, 44490835, 62287169, 78159575, 109423405, 115676171, 222454175, 311435845, 547117025, 578380855, 809733197, 1557179225, 2891904275, 4048665985, 20243329925]

約数ペア:

[(1, 20243329925), (5, 4048665985), (7, 2891904275), (13, 1557179225), (25, 809733197), (35, 578380855), (37, 547117025), (65, 311435845), (91, 222454175), (175, 115676171), (185, 109423405), (259, 78159575), (325, 62287169), (455, 44490835), (481, 42085925), (925, 21884681), (1295, 15631915), (2275, 8898167), (2405, 8417185), (3367, 6012275), (6475, 3126383), (12025, 1683437), (16835, 1202455), (84175, 240491)]