20122376

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{433}}^1$

素因数の和:633

約数の個数: 32

約数和(自身を含む): 39086040

約数和(自身を除く): 18963664

約数列:

[1, 2, 4, 8, 37, 74, 148, 157, 296, 314, 433, 628, 866, 1256, 1732, 3464, 5809, 11618, 16021, 23236, 32042, 46472, 64084, 67981, 128168, 135962, 271924, 543848, 2515297, 5030594, 10061188, 20122376]

約数ペア:

[(1, 20122376), (2, 10061188), (4, 5030594), (8, 2515297), (37, 543848), (74, 271924), (148, 135962), (157, 128168), (296, 67981), (314, 64084), (433, 46472), (628, 32042), (866, 23236), (1256, 16021), (1732, 11618), (3464, 5809)]