20180860020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{12457321}}^1$

素因数の和:12457342

約数の個数: 60

約数和(自身を含む): 63308110404

約数和(自身を除く): 43127250384

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 12457321, 24914642, 37371963, 49829284, 62286605, 74743926, 112115889, 124573210, 149487852, 186859815, 224231778, 249146420, 336347667, 373719630, 448463556, 560579445, 672695334, 747439260, 1009043001, 1121158890, 1345390668, 1681738335, 2018086002, 2242317780, 3363476670, 4036172004, 5045215005, 6726953340, 10090430010, 20180860020]

約数ペア:

[(1, 20180860020), (2, 10090430010), (3, 6726953340), (4, 5045215005), (5, 4036172004), (6, 3363476670), (9, 2242317780), (10, 2018086002), (12, 1681738335), (15, 1345390668), (18, 1121158890), (20, 1009043001), (27, 747439260), (30, 672695334), (36, 560579445), (45, 448463556), (54, 373719630), (60, 336347667), (81, 249146420), (90, 224231778), (108, 186859815), (135, 149487852), (162, 124573210), (180, 112115889), (270, 74743926), (324, 62286605), (405, 49829284), (540, 37371963), (810, 24914642), (1620, 12457321)]