20131493788

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{997201}}^1$

素因数の和:997322

約数の個数: 36

約数和(自身を含む): 41379894192

約数和(自身を除く): 21248400404

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 721, 1442, 2884, 5047, 10094, 20188, 997201, 1994402, 3988804, 6980407, 13960814, 27921628, 48862849, 97725698, 102711703, 195451396, 205423406, 410846812, 718981921, 1437963842, 2875927684, 5032873447, 10065746894, 20131493788]

約数ペア:

[(1, 20131493788), (2, 10065746894), (4, 5032873447), (7, 2875927684), (14, 1437963842), (28, 718981921), (49, 410846812), (98, 205423406), (103, 195451396), (196, 102711703), (206, 97725698), (412, 48862849), (721, 27921628), (1442, 13960814), (2884, 6980407), (5047, 3988804), (10094, 1994402), (20188, 997201)]