20210796546

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{67129}}^1$

素因数の和:67311

約数の個数: 48

約数和(自身を含む): 42968570400

約数和(自身を除く): 22757773854

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 139, 278, 361, 417, 722, 834, 1083, 2166, 2641, 5282, 7923, 15846, 50179, 67129, 100358, 134258, 150537, 201387, 301074, 402774, 1275451, 2550902, 3826353, 7652706, 9330931, 18661862, 24233569, 27992793, 48467138, 55985586, 72700707, 145401414, 177287689, 354575378, 531863067, 1063726134, 3368466091, 6736932182, 10105398273, 20210796546]

約数ペア:

[(1, 20210796546), (2, 10105398273), (3, 6736932182), (6, 3368466091), (19, 1063726134), (38, 531863067), (57, 354575378), (114, 177287689), (139, 145401414), (278, 72700707), (361, 55985586), (417, 48467138), (722, 27992793), (834, 24233569), (1083, 18661862), (2166, 9330931), (2641, 7652706), (5282, 3826353), (7923, 2550902), (15846, 1275451), (50179, 402774), (67129, 301074), (100358, 201387), (134258, 150537)]