20583736

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{307}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 42550200

約数和(自身を除く): 21966464

約数列:

[1, 2, 4, 8, 17, 29, 34, 58, 68, 116, 136, 232, 289, 307, 493, 578, 614, 986, 1156, 1228, 1972, 2312, 2456, 3944, 5219, 8381, 8903, 10438, 16762, 17806, 20876, 33524, 35612, 41752, 67048, 71224, 88723, 151351, 177446, 302702, 354892, 605404, 709784, 1210808, 2572967, 5145934, 10291868, 20583736]

約数ペア:

[(1, 20583736), (2, 10291868), (4, 5145934), (8, 2572967), (17, 1210808), (29, 709784), (34, 605404), (58, 354892), (68, 302702), (116, 177446), (136, 151351), (232, 88723), (289, 71224), (307, 67048), (493, 41752), (578, 35612), (614, 33524), (986, 20876), (1156, 17806), (1228, 16762), (1972, 10438), (2312, 8903), (2456, 8381), (3944, 5219)]