20747208

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1$

素因数の和:478

約数の個数: 64

約数和(自身を含む): 55408320

約数和(自身を除く): 34661112

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 211, 241, 408, 422, 482, 633, 723, 844, 964, 1266, 1446, 1688, 1928, 2532, 2892, 3587, 4097, 5064, 5784, 7174, 8194, 10761, 12291, 14348, 16388, 21522, 24582, 28696, 32776, 43044, 49164, 50851, 86088, 98328, 101702, 152553, 203404, 305106, 406808, 610212, 864467, 1220424, 1728934, 2593401, 3457868, 5186802, 6915736, 10373604, 20747208]

約数ペア:

[(1, 20747208), (2, 10373604), (3, 6915736), (4, 5186802), (6, 3457868), (8, 2593401), (12, 1728934), (17, 1220424), (24, 864467), (34, 610212), (51, 406808), (68, 305106), (102, 203404), (136, 152553), (204, 101702), (211, 98328), (241, 86088), (408, 50851), (422, 49164), (482, 43044), (633, 32776), (723, 28696), (844, 24582), (964, 21522), (1266, 16388), (1446, 14348), (1688, 12291), (1928, 10761), (2532, 8194), (2892, 7174), (3587, 5784), (4097, 5064)]