20131372816

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{859}}^1\times {\mathrm{18541}}^1$

素因数の和:19487

約数の個数: 40

約数和(自身を含む): 39546377600

約数和(自身を除く): 19415004784

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 859, 1264, 1718, 3436, 6872, 13744, 18541, 37082, 67861, 74164, 135722, 148328, 271444, 296656, 542888, 1085776, 1464739, 2929478, 5858956, 11717912, 15926719, 23435824, 31853438, 63706876, 127413752, 254827504, 1258210801, 2516421602, 5032843204, 10065686408, 20131372816]

約数ペア:

[(1, 20131372816), (2, 10065686408), (4, 5032843204), (8, 2516421602), (16, 1258210801), (79, 254827504), (158, 127413752), (316, 63706876), (632, 31853438), (859, 23435824), (1264, 15926719), (1718, 11717912), (3436, 5858956), (6872, 2929478), (13744, 1464739), (18541, 1085776), (37082, 542888), (67861, 296656), (74164, 271444), (135722, 148328)]