20747300868

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{2129}}^1\times {\mathrm{38671}}^1$

素因数の和:40817

約数の個数: 72

約数和(自身を含む): 59966350080

約数和(自身を除く): 39219049212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 2129, 4258, 6387, 8516, 12774, 14903, 19161, 25548, 29806, 38322, 38671, 44709, 59612, 76644, 77342, 89418, 116013, 134127, 154684, 178836, 232026, 268254, 270697, 348039, 464052, 536508, 541394, 696078, 812091, 1082788, 1392156, 1624182, 2436273, 3248364, 4872546, 9745092, 82330559, 164661118, 246991677, 329322236, 493983354, 576313913, 740975031, 987966708, 1152627826, 1481950062, 1728941739, 2305255652, 2963900124, 3457883478, 5186825217, 6915766956, 10373650434, 20747300868]

約数ペア:

[(1, 20747300868), (2, 10373650434), (3, 6915766956), (4, 5186825217), (6, 3457883478), (7, 2963900124), (9, 2305255652), (12, 1728941739), (14, 1481950062), (18, 1152627826), (21, 987966708), (28, 740975031), (36, 576313913), (42, 493983354), (63, 329322236), (84, 246991677), (126, 164661118), (252, 82330559), (2129, 9745092), (4258, 4872546), (6387, 3248364), (8516, 2436273), (12774, 1624182), (14903, 1392156), (19161, 1082788), (25548, 812091), (29806, 696078), (38322, 541394), (38671, 536508), (44709, 464052), (59612, 348039), (76644, 270697), (77342, 268254), (89418, 232026), (116013, 178836), (134127, 154684)]