20117822

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{167}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12783298

約数列:

[1, 2, 29, 31, 58, 62, 67, 134, 167, 334, 899, 1798, 1943, 2077, 3886, 4154, 4843, 5177, 9686, 10354, 11189, 22378, 60233, 120466, 150133, 300266, 324481, 346859, 648962, 693718, 10058911, 20117822]

約数ペア:

[(1, 20117822), (2, 10058911), (29, 693718), (31, 648962), (58, 346859), (62, 324481), (67, 300266), (134, 150133), (167, 120466), (334, 60233), (899, 22378), (1798, 11189), (1943, 10354), (2077, 9686), (3886, 5177), (4154, 4843)]