20803636

素因数分解:

$2^2\times 7^3\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 48

約数和(自身を含む): 43344000

約数和(自身を除く): 22540364

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 98, 118, 196, 236, 257, 343, 413, 514, 686, 826, 1028, 1372, 1652, 1799, 2891, 3598, 5782, 7196, 11564, 12593, 15163, 20237, 25186, 30326, 40474, 50372, 60652, 80948, 88151, 106141, 176302, 212282, 352604, 424564, 742987, 1485974, 2971948, 5200909, 10401818, 20803636]

約数ペア:

[(1, 20803636), (2, 10401818), (4, 5200909), (7, 2971948), (14, 1485974), (28, 742987), (49, 424564), (59, 352604), (98, 212282), (118, 176302), (196, 106141), (236, 88151), (257, 80948), (343, 60652), (413, 50372), (514, 40474), (686, 30326), (826, 25186), (1028, 20237), (1372, 15163), (1652, 12593), (1799, 11564), (2891, 7196), (3598, 5782)]