20528821430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2224141}}^1$

素因数の和:2224232

約数の個数: 32

約数和(自身を含む): 40354832448

約数和(自身を除く): 19826011018

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4615, 9230, 2224141, 4448282, 11120705, 22241410, 28913833, 57827666, 144569165, 157914011, 289138330, 315828022, 789570055, 1579140110, 2052882143, 4105764286, 10264410715, 20528821430]

約数ペア:

[(1, 20528821430), (2, 10264410715), (5, 4105764286), (10, 2052882143), (13, 1579140110), (26, 789570055), (65, 315828022), (71, 289138330), (130, 157914011), (142, 144569165), (355, 57827666), (710, 28913833), (923, 22241410), (1846, 11120705), (4615, 4448282), (9230, 2224141)]