33816920

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19661}}^1$

素因数の和:19715

約数の個数: 32

約数和(自身を含む): 77861520

約数和(自身を除く): 44044600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 19661, 39322, 78644, 98305, 157288, 196610, 393220, 786440, 845423, 1690846, 3381692, 4227115, 6763384, 8454230, 16908460, 33816920]

約数ペア:

[(1, 33816920), (2, 16908460), (4, 8454230), (5, 6763384), (8, 4227115), (10, 3381692), (20, 1690846), (40, 845423), (43, 786440), (86, 393220), (172, 196610), (215, 157288), (344, 98305), (430, 78644), (860, 39322), (1720, 19661)]