20959368

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{1093}}^1$

素因数の和:1166

約数の個数: 64

約数和(自身を含む): 56712960

約数和(自身を除く): 35753592

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 47, 51, 68, 94, 102, 136, 141, 188, 204, 282, 376, 408, 564, 799, 1093, 1128, 1598, 2186, 2397, 3196, 3279, 4372, 4794, 6392, 6558, 8744, 9588, 13116, 18581, 19176, 26232, 37162, 51371, 55743, 74324, 102742, 111486, 148648, 154113, 205484, 222972, 308226, 410968, 445944, 616452, 873307, 1232904, 1746614, 2619921, 3493228, 5239842, 6986456, 10479684, 20959368]

約数ペア:

[(1, 20959368), (2, 10479684), (3, 6986456), (4, 5239842), (6, 3493228), (8, 2619921), (12, 1746614), (17, 1232904), (24, 873307), (34, 616452), (47, 445944), (51, 410968), (68, 308226), (94, 222972), (102, 205484), (136, 154113), (141, 148648), (188, 111486), (204, 102742), (282, 74324), (376, 55743), (408, 51371), (564, 37162), (799, 26232), (1093, 19176), (1128, 18581), (1598, 13116), (2186, 9588), (2397, 8744), (3196, 6558), (3279, 6392), (4372, 4794)]