20923164

素因数分解:

$2^2\times 3^3\times {\mathrm{151}}^1\times {\mathrm{1283}}^1$

素因数の和:1447

約数の個数: 48

約数和(自身を含む): 54647040

約数和(自身を除く): 33723876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 151, 302, 453, 604, 906, 1283, 1359, 1812, 2566, 2718, 3849, 4077, 5132, 5436, 7698, 8154, 11547, 15396, 16308, 23094, 34641, 46188, 69282, 138564, 193733, 387466, 581199, 774932, 1162398, 1743597, 2324796, 3487194, 5230791, 6974388, 10461582, 20923164]

約数ペア:

[(1, 20923164), (2, 10461582), (3, 6974388), (4, 5230791), (6, 3487194), (9, 2324796), (12, 1743597), (18, 1162398), (27, 774932), (36, 581199), (54, 387466), (108, 193733), (151, 138564), (302, 69282), (453, 46188), (604, 34641), (906, 23094), (1283, 16308), (1359, 15396), (1812, 11547), (2566, 8154), (2718, 7698), (3849, 5436), (4077, 5132)]