20839224

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{761}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 59984640

約数和(自身を除く): 39145416

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 163, 168, 326, 489, 652, 761, 978, 1141, 1304, 1522, 1956, 2282, 2283, 3044, 3423, 3912, 4564, 4566, 5327, 6088, 6846, 9128, 9132, 10654, 13692, 15981, 18264, 21308, 27384, 31962, 42616, 63924, 124043, 127848, 248086, 372129, 496172, 744258, 868301, 992344, 1488516, 1736602, 2604903, 2977032, 3473204, 5209806, 6946408, 10419612, 20839224]

約数ペア:

[(1, 20839224), (2, 10419612), (3, 6946408), (4, 5209806), (6, 3473204), (7, 2977032), (8, 2604903), (12, 1736602), (14, 1488516), (21, 992344), (24, 868301), (28, 744258), (42, 496172), (56, 372129), (84, 248086), (163, 127848), (168, 124043), (326, 63924), (489, 42616), (652, 31962), (761, 27384), (978, 21308), (1141, 18264), (1304, 15981), (1522, 13692), (1956, 10654), (2282, 9132), (2283, 9128), (3044, 6846), (3423, 6088), (3912, 5327), (4564, 4566)]