20135137055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1\times {\mathrm{21313}}^1$

素因数の和:21611

約数の個数: 32

約数和(自身を含む): 26794255680

約数和(自身を除く): 6659118625

約数列:

[1, 5, 11, 55, 89, 193, 445, 965, 979, 2123, 4895, 10615, 17177, 21313, 85885, 106565, 188947, 234443, 944735, 1172215, 1896857, 4113409, 9484285, 20567045, 20865427, 45247499, 104327135, 226237495, 366093401, 1830467005, 4027027411, 20135137055]

約数ペア:

[(1, 20135137055), (5, 4027027411), (11, 1830467005), (55, 366093401), (89, 226237495), (193, 104327135), (445, 45247499), (965, 20865427), (979, 20567045), (2123, 9484285), (4895, 4113409), (10615, 1896857), (17177, 1172215), (21313, 944735), (85885, 234443), (106565, 188947)]