20210730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1051}}^1$

素因数の和:1702

約数の個数: 32

約数和(自身を含む): 48627648

約数和(自身を除く): 28416918

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 641, 1051, 1282, 1923, 2102, 3153, 3205, 3846, 5255, 6306, 6410, 9615, 10510, 15765, 19230, 31530, 673691, 1347382, 2021073, 3368455, 4042146, 6736910, 10105365, 20210730]

約数ペア:

[(1, 20210730), (2, 10105365), (3, 6736910), (5, 4042146), (6, 3368455), (10, 2021073), (15, 1347382), (30, 673691), (641, 31530), (1051, 19230), (1282, 15765), (1923, 10510), (2102, 9615), (3153, 6410), (3205, 6306), (3846, 5255)]