20123093770

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2503}}^1\times {\mathrm{61843}}^1$

素因数の和:64366

約数の個数: 32

約数和(自身を含む): 39024058752

約数和(自身を除く): 18900964982

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2503, 5006, 12515, 25030, 32539, 61843, 65078, 123686, 162695, 309215, 325390, 618430, 803959, 1607918, 4019795, 8039590, 154793029, 309586058, 773965145, 1547930290, 2012309377, 4024618754, 10061546885, 20123093770]

約数ペア:

[(1, 20123093770), (2, 10061546885), (5, 4024618754), (10, 2012309377), (13, 1547930290), (26, 773965145), (65, 309586058), (130, 154793029), (2503, 8039590), (5006, 4019795), (12515, 1607918), (25030, 803959), (32539, 618430), (61843, 325390), (65078, 309215), (123686, 162695)]