20381569134

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1\times {\mathrm{919}}^1$

素因数の和:1733

約数の個数: 64

約数和(自身を含む): 41969664000

約数和(自身を除く): 21588094866

約数列:

[1, 2, 3, 6, 71, 79, 142, 158, 213, 237, 426, 474, 659, 919, 1318, 1838, 1977, 2757, 3954, 5514, 5609, 11218, 16827, 33654, 46789, 52061, 65249, 72601, 93578, 104122, 130498, 140367, 145202, 156183, 195747, 217803, 280734, 312366, 391494, 435606, 605621, 1211242, 1816863, 3633726, 3696331, 5154671, 7392662, 10309342, 11088993, 15464013, 22177986, 30928026, 42999091, 47844059, 85998182, 95688118, 128997273, 143532177, 257994546, 287064354, 3396928189, 6793856378, 10190784567, 20381569134]

約数ペア:

[(1, 20381569134), (2, 10190784567), (3, 6793856378), (6, 3396928189), (71, 287064354), (79, 257994546), (142, 143532177), (158, 128997273), (213, 95688118), (237, 85998182), (426, 47844059), (474, 42999091), (659, 30928026), (919, 22177986), (1318, 15464013), (1838, 11088993), (1977, 10309342), (2757, 7392662), (3954, 5154671), (5514, 3696331), (5609, 3633726), (11218, 1816863), (16827, 1211242), (33654, 605621), (46789, 435606), (52061, 391494), (65249, 312366), (72601, 280734), (93578, 217803), (104122, 195747), (130498, 156183), (140367, 145202)]