20350020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 61399296

約数和(自身を除く): 41049276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 71, 85, 102, 142, 170, 204, 213, 255, 281, 284, 340, 355, 426, 510, 562, 710, 843, 852, 1020, 1065, 1124, 1207, 1405, 1420, 1686, 2130, 2414, 2810, 3372, 3621, 4215, 4260, 4777, 4828, 5620, 6035, 7242, 8430, 9554, 12070, 14331, 14484, 16860, 18105, 19108, 19951, 23885, 24140, 28662, 36210, 39902, 47770, 57324, 59853, 71655, 72420, 79804, 95540, 99755, 119706, 143310, 199510, 239412, 286620, 299265, 339167, 399020, 598530, 678334, 1017501, 1197060, 1356668, 1695835, 2035002, 3391670, 4070004, 5087505, 6783340, 10175010, 20350020]

約数ペア:

[(1, 20350020), (2, 10175010), (3, 6783340), (4, 5087505), (5, 4070004), (6, 3391670), (10, 2035002), (12, 1695835), (15, 1356668), (17, 1197060), (20, 1017501), (30, 678334), (34, 598530), (51, 399020), (60, 339167), (68, 299265), (71, 286620), (85, 239412), (102, 199510), (142, 143310), (170, 119706), (204, 99755), (213, 95540), (255, 79804), (281, 72420), (284, 71655), (340, 59853), (355, 57324), (426, 47770), (510, 39902), (562, 36210), (710, 28662), (843, 24140), (852, 23885), (1020, 19951), (1065, 19108), (1124, 18105), (1207, 16860), (1405, 14484), (1420, 14331), (1686, 12070), (2130, 9554), (2414, 8430), (2810, 7242), (3372, 6035), (3621, 5620), (4215, 4828), (4260, 4777)]