20217636

素因数分解:

$2^2\times 3^2\times {\mathrm{433}}^1\times {\mathrm{1297}}^1$

素因数の和:1740

約数の個数: 36

約数和(自身を含む): 51263212

約数和(自身を除く): 31045576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 433, 866, 1297, 1299, 1732, 2594, 2598, 3891, 3897, 5188, 5196, 7782, 7794, 11673, 15564, 15588, 23346, 46692, 561601, 1123202, 1684803, 2246404, 3369606, 5054409, 6739212, 10108818, 20217636]

約数ペア:

[(1, 20217636), (2, 10108818), (3, 6739212), (4, 5054409), (6, 3369606), (9, 2246404), (12, 1684803), (18, 1123202), (36, 561601), (433, 46692), (866, 23346), (1297, 15588), (1299, 15564), (1732, 11673), (2594, 7794), (2598, 7782), (3891, 5196), (3897, 5188)]