20169876027

素因数分解:

$3^1\times 7^2\times {\mathrm{353}}^1\times {\mathrm{388697}}^1$

素因数の和:389067

約数の個数: 24

約数和(自身を含む): 31372592976

約数和(自身を除く): 11202716949

約数列:

[1, 3, 7, 21, 49, 147, 353, 1059, 2471, 7413, 17297, 51891, 388697, 1166091, 2720879, 8162637, 19046153, 57138459, 137210041, 411630123, 960470287, 2881410861, 6723292009, 20169876027]

約数ペア:

[(1, 20169876027), (3, 6723292009), (7, 2881410861), (21, 960470287), (49, 411630123), (147, 137210041), (353, 57138459), (1059, 19046153), (2471, 8162637), (7413, 2720879), (17297, 1166091), (51891, 388697)]