20177501554

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{177647}}^1$

素因数の和:177743

約数の個数: 48

約数和(自身を含む): 37668481920

約数和(自身を除く): 17490980366

約数列:

[1, 2, 7, 14, 19, 38, 49, 61, 98, 122, 133, 266, 427, 854, 931, 1159, 1862, 2318, 2989, 5978, 8113, 16226, 56791, 113582, 177647, 355294, 1243529, 2487058, 3375293, 6750586, 8704703, 10836467, 17409406, 21672934, 23627051, 47254102, 75855269, 151710538, 165389357, 205892873, 330778714, 411785746, 530986883, 1061973766, 1441250111, 2882500222, 10088750777, 20177501554]

約数ペア:

[(1, 20177501554), (2, 10088750777), (7, 2882500222), (14, 1441250111), (19, 1061973766), (38, 530986883), (49, 411785746), (61, 330778714), (98, 205892873), (122, 165389357), (133, 151710538), (266, 75855269), (427, 47254102), (854, 23627051), (931, 21672934), (1159, 17409406), (1862, 10836467), (2318, 8704703), (2989, 6750586), (5978, 3375293), (8113, 2487058), (16226, 1243529), (56791, 355294), (113582, 177647)]