20867724

素因数分解:

$2^2\times 3^2\times {\mathrm{449}}^1\times {\mathrm{1291}}^1$

素因数の和:1750

約数の個数: 36

約数和(自身を含む): 52907400

約数和(自身を除く): 32039676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 449, 898, 1291, 1347, 1796, 2582, 2694, 3873, 4041, 5164, 5388, 7746, 8082, 11619, 15492, 16164, 23238, 46476, 579659, 1159318, 1738977, 2318636, 3477954, 5216931, 6955908, 10433862, 20867724]

約数ペア:

[(1, 20867724), (2, 10433862), (3, 6955908), (4, 5216931), (6, 3477954), (9, 2318636), (12, 1738977), (18, 1159318), (36, 579659), (449, 46476), (898, 23238), (1291, 16164), (1347, 15492), (1796, 11619), (2582, 8082), (2694, 7746), (3873, 5388), (4041, 5164)]