20304966507

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1\times {\mathrm{27851}}^1$

素因数の和:28243

約数の個数: 32

約数和(自身を含む): 31283366400

約数和(自身を除く): 10978399893

約数列:

[1, 3, 7, 21, 149, 233, 447, 699, 1043, 1631, 3129, 4893, 27851, 34717, 83553, 104151, 194957, 243019, 584871, 729057, 4149799, 6489283, 12449397, 19467849, 29048593, 45424981, 87145779, 136274943, 966903167, 2900709501, 6768322169, 20304966507]

約数ペア:

[(1, 20304966507), (3, 6768322169), (7, 2900709501), (21, 966903167), (149, 136274943), (233, 87145779), (447, 45424981), (699, 29048593), (1043, 19467849), (1631, 12449397), (3129, 6489283), (4893, 4149799), (27851, 729057), (34717, 584871), (83553, 243019), (104151, 194957)]