20965830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1459}}^1$

素因数の和:1948

約数の個数: 32

約数和(自身を含む): 50457600

約数和(自身を除く): 29491770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 479, 958, 1437, 1459, 2395, 2874, 2918, 4377, 4790, 7185, 7295, 8754, 14370, 14590, 21885, 43770, 698861, 1397722, 2096583, 3494305, 4193166, 6988610, 10482915, 20965830]

約数ペア:

[(1, 20965830), (2, 10482915), (3, 6988610), (5, 4193166), (6, 3494305), (10, 2096583), (15, 1397722), (30, 698861), (479, 43770), (958, 21885), (1437, 14590), (1459, 14370), (2395, 8754), (2874, 7295), (2918, 7185), (4377, 4790)]