20383275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{797}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 37997568

約数和(自身を除く): 17614293

約数列:

[1, 3, 5, 11, 15, 25, 31, 33, 55, 75, 93, 155, 165, 275, 341, 465, 775, 797, 825, 1023, 1705, 2325, 2391, 3985, 5115, 8525, 8767, 11955, 19925, 24707, 25575, 26301, 43835, 59775, 74121, 123535, 131505, 219175, 271777, 370605, 617675, 657525, 815331, 1358885, 1853025, 4076655, 6794425, 20383275]

約数ペア:

[(1, 20383275), (3, 6794425), (5, 4076655), (11, 1853025), (15, 1358885), (25, 815331), (31, 657525), (33, 617675), (55, 370605), (75, 271777), (93, 219175), (155, 131505), (165, 123535), (275, 74121), (341, 59775), (465, 43835), (775, 26301), (797, 25575), (825, 24707), (1023, 19925), (1705, 11955), (2325, 8767), (2391, 8525), (3985, 5115)]