20718713736

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{318671}}^1$

素因数の和:318736

約数の個数: 128

約数和(自身を含む): 67303526400

約数和(自身を除く): 46584812664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 43, 54, 56, 63, 72, 84, 86, 108, 126, 129, 168, 172, 189, 216, 252, 258, 301, 344, 378, 387, 504, 516, 602, 756, 774, 903, 1032, 1161, 1204, 1512, 1548, 1806, 2322, 2408, 2709, 3096, 3612, 4644, 5418, 7224, 8127, 9288, 10836, 16254, 21672, 32508, 65016, 318671, 637342, 956013, 1274684, 1912026, 2230697, 2549368, 2868039, 3824052, 4461394, 5736078, 6692091, 7648104, 8604117, 8922788, 11472156, 13384182, 13702853, 17208234, 17845576, 20076273, 22944312, 26768364, 27405706, 34416468, 40152546, 41108559, 53536728, 54811412, 60228819, 68832936, 80305092, 82217118, 95919971, 109622824, 120457638, 123325677, 160610184, 164434236, 191839942, 240915276, 246651354, 287759913, 328868472, 369977031, 383679884, 481830552, 493302708, 575519826, 739954062, 767359768, 863279739, 986605416, 1151039652, 1479908124, 1726559478, 2302079304, 2589839217, 2959816248, 3453118956, 5179678434, 6906237912, 10359356868, 20718713736]

約数ペア:

[(1, 20718713736), (2, 10359356868), (3, 6906237912), (4, 5179678434), (6, 3453118956), (7, 2959816248), (8, 2589839217), (9, 2302079304), (12, 1726559478), (14, 1479908124), (18, 1151039652), (21, 986605416), (24, 863279739), (27, 767359768), (28, 739954062), (36, 575519826), (42, 493302708), (43, 481830552), (54, 383679884), (56, 369977031), (63, 328868472), (72, 287759913), (84, 246651354), (86, 240915276), (108, 191839942), (126, 164434236), (129, 160610184), (168, 123325677), (172, 120457638), (189, 109622824), (216, 95919971), (252, 82217118), (258, 80305092), (301, 68832936), (344, 60228819), (378, 54811412), (387, 53536728), (504, 41108559), (516, 40152546), (602, 34416468), (756, 27405706), (774, 26768364), (903, 22944312), (1032, 20076273), (1161, 17845576), (1204, 17208234), (1512, 13702853), (1548, 13384182), (1806, 11472156), (2322, 8922788), (2408, 8604117), (2709, 7648104), (3096, 6692091), (3612, 5736078), (4644, 4461394), (5418, 3824052), (7224, 2868039), (8127, 2549368), (9288, 2230697), (10836, 1912026), (16254, 1274684), (21672, 956013), (32508, 637342), (65016, 318671)]