20578364

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8179}}^1$

素因数の和:8237

約数の個数: 24

約数和(自身を含む): 39165840

約数和(自身を除く): 18587476

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8179, 16358, 32716, 139043, 278086, 302623, 556172, 605246, 1210492, 5144591, 10289182, 20578364]

約数ペア:

[(1, 20578364), (2, 10289182), (4, 5144591), (17, 1210492), (34, 605246), (37, 556172), (68, 302623), (74, 278086), (148, 139043), (629, 32716), (1258, 16358), (2516, 8179)]