20179943344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{50311}}^1$

素因数の和:50426

約数の個数: 80

約数和(自身を含む): 44469368064

約数和(自身を除く): 24289424720

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 53, 86, 88, 106, 172, 176, 212, 344, 424, 473, 583, 688, 848, 946, 1166, 1892, 2279, 2332, 3784, 4558, 4664, 7568, 9116, 9328, 18232, 25069, 36464, 50138, 50311, 100276, 100622, 200552, 201244, 401104, 402488, 553421, 804976, 1106842, 2163373, 2213684, 2666483, 4326746, 4427368, 5332966, 8653492, 8854736, 10665932, 17306984, 21331864, 23797103, 29331313, 34613968, 42663728, 47594206, 58662626, 95188412, 114658769, 117325252, 190376824, 229317538, 234650504, 380753648, 458635076, 469301008, 917270152, 1261246459, 1834540304, 2522492918, 5044985836, 10089971672, 20179943344]

約数ペア:

[(1, 20179943344), (2, 10089971672), (4, 5044985836), (8, 2522492918), (11, 1834540304), (16, 1261246459), (22, 917270152), (43, 469301008), (44, 458635076), (53, 380753648), (86, 234650504), (88, 229317538), (106, 190376824), (172, 117325252), (176, 114658769), (212, 95188412), (344, 58662626), (424, 47594206), (473, 42663728), (583, 34613968), (688, 29331313), (848, 23797103), (946, 21331864), (1166, 17306984), (1892, 10665932), (2279, 8854736), (2332, 8653492), (3784, 5332966), (4558, 4427368), (4664, 4326746), (7568, 2666483), (9116, 2213684), (9328, 2163373), (18232, 1106842), (25069, 804976), (36464, 553421), (50138, 402488), (50311, 401104), (100276, 201244), (100622, 200552)]