20145749404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{642157}}^1$

素因数の和:642226

約数の個数: 48

約数和(自身を含む): 41426896896

約数和(自身を除く): 21281147492

約数列:

[1, 2, 4, 11, 22, 23, 31, 44, 46, 62, 92, 124, 253, 341, 506, 682, 713, 1012, 1364, 1426, 2852, 7843, 15686, 31372, 642157, 1284314, 2568628, 7063727, 14127454, 14769611, 19906867, 28254908, 29539222, 39813734, 59078444, 79627468, 162465721, 218975537, 324931442, 437951074, 457857941, 649862884, 875902148, 915715882, 1831431764, 5036437351, 10072874702, 20145749404]

約数ペア:

[(1, 20145749404), (2, 10072874702), (4, 5036437351), (11, 1831431764), (22, 915715882), (23, 875902148), (31, 649862884), (44, 457857941), (46, 437951074), (62, 324931442), (92, 218975537), (124, 162465721), (253, 79627468), (341, 59078444), (506, 39813734), (682, 29539222), (713, 28254908), (1012, 19906867), (1364, 14769611), (1426, 14127454), (2852, 7063727), (7843, 2568628), (15686, 1284314), (31372, 642157)]