20917878

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{49103}}^1$

素因数の和:49179

約数の個数: 16

約数和(自身を含む): 42425856

約数和(自身を除く): 21507978

約数列:

[1, 2, 3, 6, 71, 142, 213, 426, 49103, 98206, 147309, 294618, 3486313, 6972626, 10458939, 20917878]

約数ペア:

[(1, 20917878), (2, 10458939), (3, 6972626), (6, 3486313), (71, 294618), (142, 147309), (213, 98206), (426, 49103)]