20919090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{697303}}^1$

素因数の和:697313

約数の個数: 16

約数和(自身を含む): 50205888

約数和(自身を除く): 29286798

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 697303, 1394606, 2091909, 3486515, 4183818, 6973030, 10459545, 20919090]

約数ペア:

[(1, 20919090), (2, 10459545), (3, 6973030), (5, 4183818), (6, 3486515), (10, 2091909), (15, 1394606), (30, 697303)]