20955764

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{8329}}^1$

素因数の和:8387

約数の個数: 24

約数和(自身を含む): 39884040

約数和(自身を除く): 18928276

約数列:

[1, 2, 4, 17, 34, 37, 68, 74, 148, 629, 1258, 2516, 8329, 16658, 33316, 141593, 283186, 308173, 566372, 616346, 1232692, 5238941, 10477882, 20955764]

約数ペア:

[(1, 20955764), (2, 10477882), (4, 5238941), (17, 1232692), (34, 616346), (37, 566372), (68, 308173), (74, 283186), (148, 141593), (629, 33316), (1258, 16658), (2516, 8329)]