20182708

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^2$

素因数の和:209

約数の個数: 54

約数和(自身を含む): 44749446

約数和(自身を除く): 24566738

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 89, 91, 98, 178, 182, 196, 356, 364, 623, 637, 1157, 1246, 1274, 2314, 2492, 2548, 4361, 4628, 7921, 8099, 8722, 15842, 16198, 17444, 31684, 32396, 55447, 56693, 102973, 110894, 113386, 205946, 221788, 226772, 388129, 411892, 720811, 776258, 1441622, 1552516, 2883244, 5045677, 10091354, 20182708]

約数ペア:

[(1, 20182708), (2, 10091354), (4, 5045677), (7, 2883244), (13, 1552516), (14, 1441622), (26, 776258), (28, 720811), (49, 411892), (52, 388129), (89, 226772), (91, 221788), (98, 205946), (178, 113386), (182, 110894), (196, 102973), (356, 56693), (364, 55447), (623, 32396), (637, 31684), (1157, 17444), (1246, 16198), (1274, 15842), (2314, 8722), (2492, 8099), (2548, 7921), (4361, 4628)]