20379680

素因数分解:

$2^5\times 5^1\times {\mathrm{127373}}^1$

素因数の和:127388

約数の個数: 24

約数和(自身を含む): 48147372

約数和(自身を除く): 27767692

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 127373, 254746, 509492, 636865, 1018984, 1273730, 2037968, 2547460, 4075936, 5094920, 10189840, 20379680]

約数ペア:

[(1, 20379680), (2, 10189840), (4, 5094920), (5, 4075936), (8, 2547460), (10, 2037968), (16, 1273730), (20, 1018984), (32, 636865), (40, 509492), (80, 254746), (160, 127373)]