20149590640

素因数分解:

$2^4\times 5^1\times {\mathrm{251869883}}^1$

素因数の和:251869896

約数の個数: 20

約数和(自身を含む): 46847798424

約数和(自身を除く): 26698207784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251869883, 503739766, 1007479532, 1259349415, 2014959064, 2518698830, 4029918128, 5037397660, 10074795320, 20149590640]

約数ペア:

[(1, 20149590640), (2, 10074795320), (4, 5037397660), (5, 4029918128), (8, 2518698830), (10, 2014959064), (16, 1259349415), (20, 1007479532), (40, 503739766), (80, 251869883)]