15522020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:740

約数の個数: 48

約数和(自身を含む): 35054208

約数和(自身を除く): 19532188

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 71, 85, 142, 170, 284, 340, 355, 643, 710, 1207, 1286, 1420, 2414, 2572, 3215, 4828, 6035, 6430, 10931, 12070, 12860, 21862, 24140, 43724, 45653, 54655, 91306, 109310, 182612, 218620, 228265, 456530, 776101, 913060, 1552202, 3104404, 3880505, 7761010, 15522020]

約数ペア:

[(1, 15522020), (2, 7761010), (4, 3880505), (5, 3104404), (10, 1552202), (17, 913060), (20, 776101), (34, 456530), (68, 228265), (71, 218620), (85, 182612), (142, 109310), (170, 91306), (284, 54655), (340, 45653), (355, 43724), (643, 24140), (710, 21862), (1207, 12860), (1286, 12070), (1420, 10931), (2414, 6430), (2572, 6035), (3215, 4828)]