20598892

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 19140500

約数列:

[1, 2, 4, 23, 41, 43, 46, 82, 86, 92, 127, 164, 172, 254, 508, 943, 989, 1763, 1886, 1978, 2921, 3526, 3772, 3956, 5207, 5461, 5842, 7052, 10414, 10922, 11684, 20828, 21844, 40549, 81098, 119761, 125603, 162196, 223901, 239522, 251206, 447802, 479044, 502412, 895604, 5149723, 10299446, 20598892]

約数ペア:

[(1, 20598892), (2, 10299446), (4, 5149723), (23, 895604), (41, 502412), (43, 479044), (46, 447802), (82, 251206), (86, 239522), (92, 223901), (127, 162196), (164, 125603), (172, 119761), (254, 81098), (508, 40549), (943, 21844), (989, 20828), (1763, 11684), (1886, 10922), (1978, 10414), (2921, 7052), (3526, 5842), (3772, 5461), (3956, 5207)]