20189901556

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1301}}^1\times {\mathrm{20747}}^1$

素因数の和:22080

約数の個数: 48

約数和(自身を含む): 40845010752

約数和(自身を除く): 20655109196

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 187, 374, 748, 1301, 2602, 5204, 14311, 20747, 22117, 28622, 41494, 44234, 57244, 82988, 88468, 228217, 243287, 352699, 456434, 486574, 705398, 912868, 973148, 1410796, 3879689, 7759378, 15518756, 26991847, 53983694, 107967388, 296910317, 458861399, 593820634, 917722798, 1187641268, 1835445596, 5047475389, 10094950778, 20189901556]

約数ペア:

[(1, 20189901556), (2, 10094950778), (4, 5047475389), (11, 1835445596), (17, 1187641268), (22, 917722798), (34, 593820634), (44, 458861399), (68, 296910317), (187, 107967388), (374, 53983694), (748, 26991847), (1301, 15518756), (2602, 7759378), (5204, 3879689), (14311, 1410796), (20747, 973148), (22117, 912868), (28622, 705398), (41494, 486574), (44234, 456434), (57244, 352699), (82988, 243287), (88468, 228217)]