20565012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{547}}^1$

素因数の和:808

約数の個数: 48

約数和(自身を含む): 51985472

約数和(自身を除く): 31420460

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 241, 482, 547, 723, 964, 1094, 1446, 1641, 2188, 2892, 3133, 3282, 6266, 6564, 7111, 9399, 12532, 14222, 18798, 21333, 28444, 37596, 42666, 85332, 131827, 263654, 395481, 527308, 790962, 1581924, 1713751, 3427502, 5141253, 6855004, 10282506, 20565012]

約数ペア:

[(1, 20565012), (2, 10282506), (3, 6855004), (4, 5141253), (6, 3427502), (12, 1713751), (13, 1581924), (26, 790962), (39, 527308), (52, 395481), (78, 263654), (156, 131827), (241, 85332), (482, 42666), (547, 37596), (723, 28444), (964, 21333), (1094, 18798), (1446, 14222), (1641, 12532), (2188, 9399), (2892, 7111), (3133, 6564), (3282, 6266)]