20574979882

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{21521}}^1$

素因数の和:21862

約数の個数: 32

約数和(自身を含む): 32902833600

約数和(自身を除く): 12327853718

約数列:

[1, 2, 19, 38, 139, 181, 278, 362, 2641, 3439, 5282, 6878, 21521, 25159, 43042, 50318, 408899, 478021, 817798, 956042, 2991419, 3895301, 5982838, 7790602, 56836961, 74010719, 113673922, 148021438, 541446839, 1082893678, 10287489941, 20574979882]

約数ペア:

[(1, 20574979882), (2, 10287489941), (19, 1082893678), (38, 541446839), (139, 148021438), (181, 113673922), (278, 74010719), (362, 56836961), (2641, 7790602), (3439, 5982838), (5282, 3895301), (6878, 2991419), (21521, 956042), (25159, 817798), (43042, 478021), (50318, 408899)]