20492808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 58920960

約数和(自身を除く): 38428152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 223, 446, 547, 669, 892, 1094, 1338, 1561, 1641, 1784, 2188, 2676, 3122, 3282, 3829, 4376, 4683, 5352, 6244, 6564, 7658, 9366, 11487, 12488, 13128, 15316, 18732, 22974, 30632, 37464, 45948, 91896, 121981, 243962, 365943, 487924, 731886, 853867, 975848, 1463772, 1707734, 2561601, 2927544, 3415468, 5123202, 6830936, 10246404, 20492808]

約数ペア:

[(1, 20492808), (2, 10246404), (3, 6830936), (4, 5123202), (6, 3415468), (7, 2927544), (8, 2561601), (12, 1707734), (14, 1463772), (21, 975848), (24, 853867), (28, 731886), (42, 487924), (56, 365943), (84, 243962), (168, 121981), (223, 91896), (446, 45948), (547, 37464), (669, 30632), (892, 22974), (1094, 18732), (1338, 15316), (1561, 13128), (1641, 12488), (1784, 11487), (2188, 9366), (2676, 7658), (3122, 6564), (3282, 6244), (3829, 5352), (4376, 4683)]