20374905

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1019}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 34467840

約数和(自身を除く): 14092935

約数列:

[1, 3, 5, 15, 31, 43, 93, 129, 155, 215, 465, 645, 1019, 1333, 3057, 3999, 5095, 6665, 15285, 19995, 31589, 43817, 94767, 131451, 157945, 219085, 473835, 657255, 1358327, 4074981, 6791635, 20374905]

約数ペア:

[(1, 20374905), (3, 6791635), (5, 4074981), (15, 1358327), (31, 657255), (43, 473835), (93, 219085), (129, 157945), (155, 131451), (215, 94767), (465, 43817), (645, 31589), (1019, 19995), (1333, 15285), (3057, 6665), (3999, 5095)]