20615529728

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2597723}}^1$

素因数の和:2597770

約数の個数: 36

約数和(自身を含む): 42477982848

約数和(自身を除く): 21862453120

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3968, 7936, 2597723, 5195446, 10390892, 20781784, 41563568, 80529413, 83127136, 161058826, 166254272, 322117652, 332508544, 644235304, 665017088, 1288470608, 2576941216, 5153882432, 10307764864, 20615529728]

約数ペア:

[(1, 20615529728), (2, 10307764864), (4, 5153882432), (8, 2576941216), (16, 1288470608), (31, 665017088), (32, 644235304), (62, 332508544), (64, 322117652), (124, 166254272), (128, 161058826), (248, 83127136), (256, 80529413), (496, 41563568), (992, 20781784), (1984, 10390892), (3968, 5195446), (7936, 2597723)]