20516013

素因数分解:

$3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3659}}^1$

素因数の和:3761

約数の個数: 24

約数和(自身を含む): 34257600

約数和(自身を除く): 13741587

約数列:

[1, 3, 7, 9, 21, 63, 89, 267, 623, 801, 1869, 3659, 5607, 10977, 25613, 32931, 76839, 230517, 325651, 976953, 2279557, 2930859, 6838671, 20516013]

約数ペア:

[(1, 20516013), (3, 6838671), (7, 2930859), (9, 2279557), (21, 976953), (63, 325651), (89, 230517), (267, 76839), (623, 32931), (801, 25613), (1869, 10977), (3659, 5607)]