20295224915

素因数分解:

$5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1\times {\mathrm{18457}}^1$

素因数の和:18911

約数の個数: 32

約数和(自身を含む): 28227450240

約数和(自身を除く): 7932225325

約数列:

[1, 5, 7, 35, 89, 353, 445, 623, 1765, 2471, 3115, 12355, 18457, 31417, 92285, 129199, 157085, 219919, 645995, 1099595, 1642673, 6515321, 8213365, 11498711, 32576605, 45607247, 57493555, 228036235, 579863569, 2899317845, 4059044983, 20295224915]

約数ペア:

[(1, 20295224915), (5, 4059044983), (7, 2899317845), (35, 579863569), (89, 228036235), (353, 57493555), (445, 45607247), (623, 32576605), (1765, 11498711), (2471, 8213365), (3115, 6515321), (12355, 1642673), (18457, 1099595), (31417, 645995), (92285, 219919), (129199, 157085)]