20653502

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 33521664

約数和(自身を除く): 12868162

約数列:

[1, 2, 31, 43, 61, 62, 86, 122, 127, 254, 1333, 1891, 2623, 2666, 3782, 3937, 5246, 5461, 7747, 7874, 10922, 15494, 81313, 162626, 169291, 240157, 333121, 338582, 480314, 666242, 10326751, 20653502]

約数ペア:

[(1, 20653502), (2, 10326751), (31, 666242), (43, 480314), (61, 338582), (62, 333121), (86, 240157), (122, 169291), (127, 162626), (254, 81313), (1333, 15494), (1891, 10922), (2623, 7874), (2666, 7747), (3782, 5461), (3937, 5246)]