20135696

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:208

約数の個数: 80

約数和(自身を含む): 47270784

約数和(自身を除く): 27135088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 43, 56, 74, 86, 112, 113, 148, 172, 226, 259, 296, 301, 344, 452, 518, 592, 602, 688, 791, 904, 1036, 1204, 1582, 1591, 1808, 2072, 2408, 3164, 3182, 4144, 4181, 4816, 4859, 6328, 6364, 8362, 9718, 11137, 12656, 12728, 16724, 19436, 22274, 25456, 29267, 33448, 34013, 38872, 44548, 58534, 66896, 68026, 77744, 89096, 117068, 136052, 178192, 179783, 234136, 272104, 359566, 468272, 544208, 719132, 1258481, 1438264, 2516962, 2876528, 5033924, 10067848, 20135696]

約数ペア:

[(1, 20135696), (2, 10067848), (4, 5033924), (7, 2876528), (8, 2516962), (14, 1438264), (16, 1258481), (28, 719132), (37, 544208), (43, 468272), (56, 359566), (74, 272104), (86, 234136), (112, 179783), (113, 178192), (148, 136052), (172, 117068), (226, 89096), (259, 77744), (296, 68026), (301, 66896), (344, 58534), (452, 44548), (518, 38872), (592, 34013), (602, 33448), (688, 29267), (791, 25456), (904, 22274), (1036, 19436), (1204, 16724), (1582, 12728), (1591, 12656), (1808, 11137), (2072, 9718), (2408, 8362), (3164, 6364), (3182, 6328), (4144, 4859), (4181, 4816)]