20948550

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:374

約数の個数: 96

約数和(自身を含む): 60424704

約数和(自身を除く): 39476154

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 71, 75, 105, 142, 150, 175, 210, 213, 281, 350, 355, 426, 497, 525, 562, 710, 843, 994, 1050, 1065, 1405, 1491, 1686, 1775, 1967, 2130, 2485, 2810, 2982, 3550, 3934, 4215, 4970, 5325, 5901, 7025, 7455, 8430, 9835, 10650, 11802, 12425, 14050, 14910, 19670, 19951, 21075, 24850, 29505, 37275, 39902, 42150, 49175, 59010, 59853, 74550, 98350, 99755, 119706, 139657, 147525, 199510, 279314, 295050, 299265, 418971, 498775, 598530, 698285, 837942, 997550, 1396570, 1496325, 2094855, 2992650, 3491425, 4189710, 6982850, 10474275, 20948550]

約数ペア:

[(1, 20948550), (2, 10474275), (3, 6982850), (5, 4189710), (6, 3491425), (7, 2992650), (10, 2094855), (14, 1496325), (15, 1396570), (21, 997550), (25, 837942), (30, 698285), (35, 598530), (42, 498775), (50, 418971), (70, 299265), (71, 295050), (75, 279314), (105, 199510), (142, 147525), (150, 139657), (175, 119706), (210, 99755), (213, 98350), (281, 74550), (350, 59853), (355, 59010), (426, 49175), (497, 42150), (525, 39902), (562, 37275), (710, 29505), (843, 24850), (994, 21075), (1050, 19951), (1065, 19670), (1405, 14910), (1491, 14050), (1686, 12425), (1775, 11802), (1967, 10650), (2130, 9835), (2485, 8430), (2810, 7455), (2982, 7025), (3550, 5901), (3934, 5325), (4215, 4970)]