20694456

素因数分解:

$2^3\times 3^2\times {\mathrm{197}}^1\times {\mathrm{1459}}^1$

素因数の和:1668

約数の個数: 48

約数和(自身を含む): 56370600

約数和(自身を除く): 35676144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 197, 394, 591, 788, 1182, 1459, 1576, 1773, 2364, 2918, 3546, 4377, 4728, 5836, 7092, 8754, 11672, 13131, 14184, 17508, 26262, 35016, 52524, 105048, 287423, 574846, 862269, 1149692, 1724538, 2299384, 2586807, 3449076, 5173614, 6898152, 10347228, 20694456]

約数ペア:

[(1, 20694456), (2, 10347228), (3, 6898152), (4, 5173614), (6, 3449076), (8, 2586807), (9, 2299384), (12, 1724538), (18, 1149692), (24, 862269), (36, 574846), (72, 287423), (197, 105048), (394, 52524), (591, 35016), (788, 26262), (1182, 17508), (1459, 14184), (1576, 13131), (1773, 11672), (2364, 8754), (2918, 7092), (3546, 5836), (4377, 4728)]