20794026

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 49268736

約数和(自身を除く): 28474710

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 43, 51, 66, 86, 102, 129, 187, 258, 374, 431, 473, 561, 731, 862, 946, 1122, 1293, 1419, 1462, 2193, 2586, 2838, 4386, 4741, 7327, 8041, 9482, 14223, 14654, 16082, 18533, 21981, 24123, 28446, 37066, 43962, 48246, 55599, 80597, 111198, 161194, 203863, 241791, 315061, 407726, 483582, 611589, 630122, 945183, 1223178, 1890366, 3465671, 6931342, 10397013, 20794026]

約数ペア:

[(1, 20794026), (2, 10397013), (3, 6931342), (6, 3465671), (11, 1890366), (17, 1223178), (22, 945183), (33, 630122), (34, 611589), (43, 483582), (51, 407726), (66, 315061), (86, 241791), (102, 203863), (129, 161194), (187, 111198), (258, 80597), (374, 55599), (431, 48246), (473, 43962), (561, 37066), (731, 28446), (862, 24123), (946, 21981), (1122, 18533), (1293, 16082), (1419, 14654), (1462, 14223), (2193, 9482), (2586, 8041), (2838, 7327), (4386, 4741)]