20341004120

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{999067}}^1$

素因数の和:999587

約数の個数: 32

約数和(自身を含む): 45857221200

約数和(自身を除く): 25516217080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 1018, 2036, 2545, 4072, 5090, 10180, 20360, 999067, 1998134, 3996268, 4995335, 7992536, 9990670, 19981340, 39962680, 508525103, 1017050206, 2034100412, 2542625515, 4068200824, 5085251030, 10170502060, 20341004120]

約数ペア:

[(1, 20341004120), (2, 10170502060), (4, 5085251030), (5, 4068200824), (8, 2542625515), (10, 2034100412), (20, 1017050206), (40, 508525103), (509, 39962680), (1018, 19981340), (2036, 9990670), (2545, 7992536), (4072, 4995335), (5090, 3996268), (10180, 1998134), (20360, 999067)]