20123686107

素因数分解:

$3^2\times 7^1\times {\mathrm{7577}}^1\times {\mathrm{42157}}^1$

素因数の和:49747

約数の個数: 24

約数和(自身を含む): 33225225696

約数和(自身を除く): 13101539589

約数列:

[1, 3, 7, 9, 21, 63, 7577, 22731, 42157, 53039, 68193, 126471, 159117, 295099, 379413, 477351, 885297, 2655891, 319423589, 958270767, 2235965123, 2874812301, 6707895369, 20123686107]

約数ペア:

[(1, 20123686107), (3, 6707895369), (7, 2874812301), (9, 2235965123), (21, 958270767), (63, 319423589), (7577, 2655891), (22731, 885297), (42157, 477351), (53039, 379413), (68193, 295099), (126471, 159117)]