20532464

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 46202400

約数和(自身を除く): 25669936

約数列:

[1, 2, 4, 8, 16, 17, 19, 29, 34, 38, 58, 68, 76, 116, 136, 137, 152, 232, 272, 274, 304, 323, 464, 493, 548, 551, 646, 986, 1096, 1102, 1292, 1972, 2192, 2204, 2329, 2584, 2603, 3944, 3973, 4408, 4658, 5168, 5206, 7888, 7946, 8816, 9316, 9367, 10412, 15892, 18632, 18734, 20824, 31784, 37264, 37468, 41648, 44251, 63568, 67541, 74936, 75487, 88502, 135082, 149872, 150974, 177004, 270164, 301948, 354008, 540328, 603896, 708016, 1080656, 1207792, 1283279, 2566558, 5133116, 10266232, 20532464]

約数ペア:

[(1, 20532464), (2, 10266232), (4, 5133116), (8, 2566558), (16, 1283279), (17, 1207792), (19, 1080656), (29, 708016), (34, 603896), (38, 540328), (58, 354008), (68, 301948), (76, 270164), (116, 177004), (136, 150974), (137, 149872), (152, 135082), (232, 88502), (272, 75487), (274, 74936), (304, 67541), (323, 63568), (464, 44251), (493, 41648), (548, 37468), (551, 37264), (646, 31784), (986, 20824), (1096, 18734), (1102, 18632), (1292, 15892), (1972, 10412), (2192, 9367), (2204, 9316), (2329, 8816), (2584, 7946), (2603, 7888), (3944, 5206), (3973, 5168), (4408, 4658)]