17931020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28921}}^1$

素因数の和:28961

約数の個数: 24

約数和(自身を含む): 38871168

約数和(自身を除く): 20940148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 28921, 57842, 115684, 144605, 289210, 578420, 896551, 1793102, 3586204, 4482755, 8965510, 17931020]

約数ペア:

[(1, 17931020), (2, 8965510), (4, 4482755), (5, 3586204), (10, 1793102), (20, 896551), (31, 578420), (62, 289210), (124, 144605), (155, 115684), (310, 57842), (620, 28921)]