20050416

素因数分解:

$2^4\times 3^8\times {\mathrm{191}}^1$

素因数の和:223

約数の個数: 90

約数和(自身を含む): 58573632

約数和(自身を除く): 38523216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 191, 216, 243, 324, 382, 432, 486, 573, 648, 729, 764, 972, 1146, 1296, 1458, 1528, 1719, 1944, 2187, 2292, 2916, 3056, 3438, 3888, 4374, 4584, 5157, 5832, 6561, 6876, 8748, 9168, 10314, 11664, 13122, 13752, 15471, 17496, 20628, 26244, 27504, 30942, 34992, 41256, 46413, 52488, 61884, 82512, 92826, 104976, 123768, 139239, 185652, 247536, 278478, 371304, 417717, 556956, 742608, 835434, 1113912, 1253151, 1670868, 2227824, 2506302, 3341736, 5012604, 6683472, 10025208, 20050416]

約数ペア:

[(1, 20050416), (2, 10025208), (3, 6683472), (4, 5012604), (6, 3341736), (8, 2506302), (9, 2227824), (12, 1670868), (16, 1253151), (18, 1113912), (24, 835434), (27, 742608), (36, 556956), (48, 417717), (54, 371304), (72, 278478), (81, 247536), (108, 185652), (144, 139239), (162, 123768), (191, 104976), (216, 92826), (243, 82512), (324, 61884), (382, 52488), (432, 46413), (486, 41256), (573, 34992), (648, 30942), (729, 27504), (764, 26244), (972, 20628), (1146, 17496), (1296, 15471), (1458, 13752), (1528, 13122), (1719, 11664), (1944, 10314), (2187, 9168), (2292, 8748), (2916, 6876), (3056, 6561), (3438, 5832), (3888, 5157), (4374, 4584)]