201520844

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{17597}}^1$

素因数の和:18017

約数の個数: 24

約数和(自身を含む): 404050080

約数和(自身を除く): 202529236

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 5726, 11452, 17597, 35194, 70388, 123179, 246358, 492716, 7197173, 14394346, 28788692, 50380211, 100760422, 201520844]

約数ペア:

[(1, 201520844), (2, 100760422), (4, 50380211), (7, 28788692), (14, 14394346), (28, 7197173), (409, 492716), (818, 246358), (1636, 123179), (2863, 70388), (5726, 35194), (11452, 17597)]