20181584

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{74197}}^1$

素因数の和:74222

約数の個数: 20

約数和(自身を含む): 41402484

約数和(自身を除く): 21220900

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 74197, 148394, 296788, 593576, 1187152, 1261349, 2522698, 5045396, 10090792, 20181584]

約数ペア:

[(1, 20181584), (2, 10090792), (4, 5045396), (8, 2522698), (16, 1261349), (17, 1187152), (34, 593576), (68, 296788), (136, 148394), (272, 74197)]