20339718

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:557

約数の個数: 64

約数和(自身を含む): 50139648

約数和(自身を除く): 29799930

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 61, 102, 119, 122, 183, 238, 357, 366, 427, 467, 714, 854, 934, 1037, 1281, 1401, 2074, 2562, 2802, 3111, 3269, 6222, 6538, 7259, 7939, 9807, 14518, 15878, 19614, 21777, 23817, 28487, 43554, 47634, 55573, 56974, 85461, 111146, 166719, 170922, 199409, 333438, 398818, 484279, 598227, 968558, 1196454, 1452837, 2905674, 3389953, 6779906, 10169859, 20339718]

約数ペア:

[(1, 20339718), (2, 10169859), (3, 6779906), (6, 3389953), (7, 2905674), (14, 1452837), (17, 1196454), (21, 968558), (34, 598227), (42, 484279), (51, 398818), (61, 333438), (102, 199409), (119, 170922), (122, 166719), (183, 111146), (238, 85461), (357, 56974), (366, 55573), (427, 47634), (467, 43554), (714, 28487), (854, 23817), (934, 21777), (1037, 19614), (1281, 15878), (1401, 14518), (2074, 9807), (2562, 7939), (2802, 7259), (3111, 6538), (3269, 6222)]