20340080644

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2447}}^1\times {\mathrm{9403}}^1$

素因数の和:11884

約数の個数: 48

約数和(自身を含む): 40609029888

約数和(自身を除く): 20268949244

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 221, 442, 884, 2447, 4894, 9403, 9788, 18806, 31811, 37612, 41599, 63622, 83198, 122239, 127244, 159851, 166396, 244478, 319702, 488956, 540787, 639404, 1081574, 2078063, 2163148, 4156126, 8312252, 23009141, 46018282, 92036564, 299118833, 391155397, 598237666, 782310794, 1196475332, 1564621588, 5085020161, 10170040322, 20340080644]

約数ペア:

[(1, 20340080644), (2, 10170040322), (4, 5085020161), (13, 1564621588), (17, 1196475332), (26, 782310794), (34, 598237666), (52, 391155397), (68, 299118833), (221, 92036564), (442, 46018282), (884, 23009141), (2447, 8312252), (4894, 4156126), (9403, 2163148), (9788, 2078063), (18806, 1081574), (31811, 639404), (37612, 540787), (41599, 488956), (63622, 319702), (83198, 244478), (122239, 166396), (127244, 159851)]