20705470

素因数分解:

$2^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{4217}}^1$

素因数の和:4715

約数の個数: 16

約数和(自身を含む): 37354608

約数和(自身を除く): 16649138

約数列:

[1, 2, 5, 10, 491, 982, 2455, 4217, 4910, 8434, 21085, 42170, 2070547, 4141094, 10352735, 20705470]

約数ペア:

[(1, 20705470), (2, 10352735), (5, 4141094), (10, 2070547), (491, 42170), (982, 21085), (2455, 8434), (4217, 4910)]