20408058

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 54743040

約数和(自身を除く): 34334982

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 27, 33, 34, 43, 47, 51, 54, 66, 86, 94, 99, 102, 129, 141, 153, 187, 198, 258, 282, 297, 306, 374, 387, 423, 459, 473, 517, 561, 594, 731, 774, 799, 846, 918, 946, 1034, 1122, 1161, 1269, 1419, 1462, 1551, 1598, 1683, 2021, 2193, 2322, 2397, 2538, 2838, 3102, 3366, 4042, 4257, 4386, 4653, 4794, 5049, 6063, 6579, 7191, 8041, 8514, 8789, 9306, 10098, 12126, 12771, 13158, 13959, 14382, 16082, 17578, 18189, 19737, 21573, 22231, 24123, 25542, 26367, 27918, 34357, 36378, 39474, 43146, 44462, 48246, 52734, 54567, 66693, 68714, 72369, 79101, 103071, 109134, 133386, 144738, 158202, 200079, 206142, 217107, 237303, 309213, 377927, 400158, 434214, 474606, 600237, 618426, 755854, 927639, 1133781, 1200474, 1855278, 2267562, 3401343, 6802686, 10204029, 20408058]

約数ペア:

[(1, 20408058), (2, 10204029), (3, 6802686), (6, 3401343), (9, 2267562), (11, 1855278), (17, 1200474), (18, 1133781), (22, 927639), (27, 755854), (33, 618426), (34, 600237), (43, 474606), (47, 434214), (51, 400158), (54, 377927), (66, 309213), (86, 237303), (94, 217107), (99, 206142), (102, 200079), (129, 158202), (141, 144738), (153, 133386), (187, 109134), (198, 103071), (258, 79101), (282, 72369), (297, 68714), (306, 66693), (374, 54567), (387, 52734), (423, 48246), (459, 44462), (473, 43146), (517, 39474), (561, 36378), (594, 34357), (731, 27918), (774, 26367), (799, 25542), (846, 24123), (918, 22231), (946, 21573), (1034, 19737), (1122, 18189), (1161, 17578), (1269, 16082), (1419, 14382), (1462, 13959), (1551, 13158), (1598, 12771), (1683, 12126), (2021, 10098), (2193, 9306), (2322, 8789), (2397, 8514), (2538, 8041), (2838, 7191), (3102, 6579), (3366, 6063), (4042, 5049), (4257, 4794), (4386, 4653)]