20172888

素因数分解:

$2^3\times 3^7\times {\mathrm{1153}}^1$

素因数の和:1180

約数の個数: 64

約数和(自身を含む): 56776800

約数和(自身を除く): 36603912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 648, 729, 972, 1153, 1458, 1944, 2187, 2306, 2916, 3459, 4374, 4612, 5832, 6918, 8748, 9224, 10377, 13836, 17496, 20754, 27672, 31131, 41508, 62262, 83016, 93393, 124524, 186786, 249048, 280179, 373572, 560358, 747144, 840537, 1120716, 1681074, 2241432, 2521611, 3362148, 5043222, 6724296, 10086444, 20172888]

約数ペア:

[(1, 20172888), (2, 10086444), (3, 6724296), (4, 5043222), (6, 3362148), (8, 2521611), (9, 2241432), (12, 1681074), (18, 1120716), (24, 840537), (27, 747144), (36, 560358), (54, 373572), (72, 280179), (81, 249048), (108, 186786), (162, 124524), (216, 93393), (243, 83016), (324, 62262), (486, 41508), (648, 31131), (729, 27672), (972, 20754), (1153, 17496), (1458, 13836), (1944, 10377), (2187, 9224), (2306, 8748), (2916, 6918), (3459, 5832), (4374, 4612)]