20186852

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 41997312

約数和(自身を除く): 21810460

約数列:

[1, 2, 4, 7, 14, 28, 53, 61, 106, 122, 212, 223, 244, 371, 427, 446, 742, 854, 892, 1484, 1561, 1708, 3122, 3233, 6244, 6466, 11819, 12932, 13603, 22631, 23638, 27206, 45262, 47276, 54412, 82733, 90524, 95221, 165466, 190442, 330932, 380884, 720959, 1441918, 2883836, 5046713, 10093426, 20186852]

約数ペア:

[(1, 20186852), (2, 10093426), (4, 5046713), (7, 2883836), (14, 1441918), (28, 720959), (53, 380884), (61, 330932), (106, 190442), (122, 165466), (212, 95221), (223, 90524), (244, 82733), (371, 54412), (427, 47276), (446, 45262), (742, 27206), (854, 23638), (892, 22631), (1484, 13603), (1561, 12932), (1708, 11819), (3122, 6466), (3233, 6244)]