20711348

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{223}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 43352064

約数和(自身を除く): 22640716

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 107, 124, 214, 217, 223, 428, 434, 446, 749, 868, 892, 1498, 1561, 2996, 3122, 3317, 6244, 6634, 6913, 13268, 13826, 23219, 23861, 27652, 46438, 47722, 48391, 92876, 95444, 96782, 167027, 193564, 334054, 668108, 739691, 1479382, 2958764, 5177837, 10355674, 20711348]

約数ペア:

[(1, 20711348), (2, 10355674), (4, 5177837), (7, 2958764), (14, 1479382), (28, 739691), (31, 668108), (62, 334054), (107, 193564), (124, 167027), (214, 96782), (217, 95444), (223, 92876), (428, 48391), (434, 47722), (446, 46438), (749, 27652), (868, 23861), (892, 23219), (1498, 13826), (1561, 13268), (2996, 6913), (3122, 6634), (3317, 6244)]