20372920

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3373}}^1$

素因数の和:3535

約数の個数: 32

約数和(自身を含む): 46156320

約数和(自身を除く): 25783400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3373, 6040, 6746, 13492, 16865, 26984, 33730, 67460, 134920, 509323, 1018646, 2037292, 2546615, 4074584, 5093230, 10186460, 20372920]

約数ペア:

[(1, 20372920), (2, 10186460), (4, 5093230), (5, 4074584), (8, 2546615), (10, 2037292), (20, 1018646), (40, 509323), (151, 134920), (302, 67460), (604, 33730), (755, 26984), (1208, 16865), (1510, 13492), (3020, 6746), (3373, 6040)]