20647368

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 64920960

約数和(自身を除く): 44273592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 71, 72, 84, 126, 142, 168, 213, 252, 284, 426, 497, 504, 568, 577, 639, 852, 994, 1154, 1278, 1491, 1704, 1731, 1988, 2308, 2556, 2982, 3462, 3976, 4039, 4473, 4616, 5112, 5193, 5964, 6924, 8078, 8946, 10386, 11928, 12117, 13848, 16156, 17892, 20772, 24234, 32312, 35784, 36351, 40967, 41544, 48468, 72702, 81934, 96936, 122901, 145404, 163868, 245802, 286769, 290808, 327736, 368703, 491604, 573538, 737406, 860307, 983208, 1147076, 1474812, 1720614, 2294152, 2580921, 2949624, 3441228, 5161842, 6882456, 10323684, 20647368]

約数ペア:

[(1, 20647368), (2, 10323684), (3, 6882456), (4, 5161842), (6, 3441228), (7, 2949624), (8, 2580921), (9, 2294152), (12, 1720614), (14, 1474812), (18, 1147076), (21, 983208), (24, 860307), (28, 737406), (36, 573538), (42, 491604), (56, 368703), (63, 327736), (71, 290808), (72, 286769), (84, 245802), (126, 163868), (142, 145404), (168, 122901), (213, 96936), (252, 81934), (284, 72702), (426, 48468), (497, 41544), (504, 40967), (568, 36351), (577, 35784), (639, 32312), (852, 24234), (994, 20772), (1154, 17892), (1278, 16156), (1491, 13848), (1704, 12117), (1731, 11928), (1988, 10386), (2308, 8946), (2556, 8078), (2982, 6924), (3462, 5964), (3976, 5193), (4039, 5112), (4473, 4616)]