2013319820

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1\times {\mathrm{1019}}^1$

素因数の和:1694

約数の個数: 48

約数和(自身を含む): 4260695040

約数和(自身を除く): 2247375220

約数列:

[1, 2, 4, 5, 10, 20, 223, 443, 446, 886, 892, 1019, 1115, 1772, 2038, 2215, 2230, 4076, 4430, 4460, 5095, 8860, 10190, 20380, 98789, 197578, 227237, 395156, 451417, 454474, 493945, 902834, 908948, 987890, 1136185, 1805668, 1975780, 2257085, 2272370, 4514170, 4544740, 9028340, 100665991, 201331982, 402663964, 503329955, 1006659910, 2013319820]

約数ペア:

[(1, 2013319820), (2, 1006659910), (4, 503329955), (5, 402663964), (10, 201331982), (20, 100665991), (223, 9028340), (443, 4544740), (446, 4514170), (886, 2272370), (892, 2257085), (1019, 1975780), (1115, 1805668), (1772, 1136185), (2038, 987890), (2215, 908948), (2230, 902834), (4076, 493945), (4430, 454474), (4460, 451417), (5095, 395156), (8860, 227237), (10190, 197578), (20380, 98789)]