20175281025

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1\times {\mathrm{577}}^1$

素因数の和:851

約数の個数: 96

約数和(自身を含む): 34894516608

約数和(自身を除く): 14719235583

約数列:

[1, 3, 5, 15, 25, 41, 75, 83, 123, 137, 205, 249, 411, 415, 577, 615, 685, 1025, 1245, 1731, 2055, 2075, 2885, 3075, 3403, 3425, 5617, 6225, 8655, 10209, 10275, 11371, 14425, 16851, 17015, 23657, 28085, 34113, 43275, 47891, 51045, 56855, 70971, 79049, 84255, 85075, 118285, 140425, 143673, 170565, 237147, 239455, 255225, 284275, 354855, 395245, 421275, 466211, 591425, 718365, 852825, 1185735, 1197275, 1398633, 1774275, 1963531, 1976225, 2331055, 3241009, 3591825, 5890593, 5928675, 6561067, 6993165, 9723027, 9817655, 11655275, 16205045, 19683201, 29452965, 32805335, 34965825, 48615135, 49088275, 81025225, 98416005, 147264825, 164026675, 243075675, 269003747, 492080025, 807011241, 1345018735, 4035056205, 6725093675, 20175281025]

約数ペア:

[(1, 20175281025), (3, 6725093675), (5, 4035056205), (15, 1345018735), (25, 807011241), (41, 492080025), (75, 269003747), (83, 243075675), (123, 164026675), (137, 147264825), (205, 98416005), (249, 81025225), (411, 49088275), (415, 48615135), (577, 34965825), (615, 32805335), (685, 29452965), (1025, 19683201), (1245, 16205045), (1731, 11655275), (2055, 9817655), (2075, 9723027), (2885, 6993165), (3075, 6561067), (3403, 5928675), (3425, 5890593), (5617, 3591825), (6225, 3241009), (8655, 2331055), (10209, 1976225), (10275, 1963531), (11371, 1774275), (14425, 1398633), (16851, 1197275), (17015, 1185735), (23657, 852825), (28085, 718365), (34113, 591425), (43275, 466211), (47891, 421275), (51045, 395245), (56855, 354855), (70971, 284275), (79049, 255225), (84255, 239455), (85075, 237147), (118285, 170565), (140425, 143673)]