20894260

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{17707}}^1$

素因数の和:17775

約数の個数: 24

約数和(自身を含む): 44624160

約数和(自身を除く): 23729900

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 1180, 17707, 35414, 70828, 88535, 177070, 354140, 1044713, 2089426, 4178852, 5223565, 10447130, 20894260]

約数ペア:

[(1, 20894260), (2, 10447130), (4, 5223565), (5, 4178852), (10, 2089426), (20, 1044713), (59, 354140), (118, 177070), (236, 88535), (295, 70828), (590, 35414), (1180, 17707)]