20450192

素因数分解:

$2^4\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1163}}^1$

素因数の和:1335

約数の個数: 40

約数和(自身を含む): 45610176

約数和(自身を除く): 25159984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 157, 314, 628, 1099, 1163, 1256, 2198, 2326, 2512, 4396, 4652, 8141, 8792, 9304, 16282, 17584, 18608, 32564, 65128, 130256, 182591, 365182, 730364, 1278137, 1460728, 2556274, 2921456, 5112548, 10225096, 20450192]

約数ペア:

[(1, 20450192), (2, 10225096), (4, 5112548), (7, 2921456), (8, 2556274), (14, 1460728), (16, 1278137), (28, 730364), (56, 365182), (112, 182591), (157, 130256), (314, 65128), (628, 32564), (1099, 18608), (1163, 17584), (1256, 16282), (2198, 9304), (2326, 8792), (2512, 8141), (4396, 4652)]