20091335620

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1\times {\mathrm{34261}}^1$

素因数の和:34648

約数の個数: 48

約数和(自身を含む): 42738418800

約数和(自身を除く): 22647083180

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 269, 436, 538, 545, 1076, 1090, 1345, 2180, 2690, 5380, 29321, 34261, 58642, 68522, 117284, 137044, 146605, 171305, 293210, 342610, 586420, 685220, 3734449, 7468898, 9216209, 14937796, 18432418, 18672245, 36864836, 37344490, 46081045, 74688980, 92162090, 184324180, 1004566781, 2009133562, 4018267124, 5022833905, 10045667810, 20091335620]

約数ペア:

[(1, 20091335620), (2, 10045667810), (4, 5022833905), (5, 4018267124), (10, 2009133562), (20, 1004566781), (109, 184324180), (218, 92162090), (269, 74688980), (436, 46081045), (538, 37344490), (545, 36864836), (1076, 18672245), (1090, 18432418), (1345, 14937796), (2180, 9216209), (2690, 7468898), (5380, 3734449), (29321, 685220), (34261, 586420), (58642, 342610), (68522, 293210), (117284, 171305), (137044, 146605)]