20514483

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 34045440

約数和(自身を除く): 13530957

約数列:

[1, 3, 9, 11, 33, 43, 61, 79, 99, 129, 183, 237, 387, 473, 549, 671, 711, 869, 1419, 2013, 2607, 2623, 3397, 4257, 4819, 6039, 7821, 7869, 10191, 14457, 23607, 28853, 30573, 37367, 43371, 53009, 86559, 112101, 159027, 207217, 259677, 336303, 477081, 621651, 1864953, 2279387, 6838161, 20514483]

約数ペア:

[(1, 20514483), (3, 6838161), (9, 2279387), (11, 1864953), (33, 621651), (43, 477081), (61, 336303), (79, 259677), (99, 207217), (129, 159027), (183, 112101), (237, 86559), (387, 53009), (473, 43371), (549, 37367), (671, 30573), (711, 28853), (869, 23607), (1419, 14457), (2013, 10191), (2607, 7869), (2623, 7821), (3397, 6039), (4257, 4819)]