20912052

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1033}}^1$

素因数の和:1288

約数の個数: 48

約数和(自身を含む): 56051072

約数和(自身を除く): 35139020

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 241, 482, 723, 964, 1033, 1446, 1687, 2066, 2892, 3099, 3374, 4132, 5061, 6198, 6748, 7231, 10122, 12396, 14462, 20244, 21693, 28924, 43386, 86772, 248953, 497906, 746859, 995812, 1493718, 1742671, 2987436, 3485342, 5228013, 6970684, 10456026, 20912052]

約数ペア:

[(1, 20912052), (2, 10456026), (3, 6970684), (4, 5228013), (6, 3485342), (7, 2987436), (12, 1742671), (14, 1493718), (21, 995812), (28, 746859), (42, 497906), (84, 248953), (241, 86772), (482, 43386), (723, 28924), (964, 21693), (1033, 20244), (1446, 14462), (1687, 12396), (2066, 10122), (2892, 7231), (3099, 6748), (3374, 6198), (4132, 5061)]