20254641

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 30551040

約数和(自身を除く): 10296399

約数列:

[1, 3, 11, 33, 59, 101, 103, 177, 303, 309, 649, 1111, 1133, 1947, 3333, 3399, 5959, 6077, 10403, 17877, 18231, 31209, 65549, 66847, 114433, 196647, 200541, 343299, 613777, 1841331, 6751547, 20254641]

約数ペア:

[(1, 20254641), (3, 6751547), (11, 1841331), (33, 613777), (59, 343299), (101, 200541), (103, 196647), (177, 114433), (303, 66847), (309, 65549), (649, 31209), (1111, 18231), (1133, 17877), (1947, 10403), (3333, 6077), (3399, 5959)]