20515872

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{967}}^1$

素因数の和:1010

約数の個数: 96

約数和(自身を含む): 61471872

約数和(自身を除く): 40956000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 32, 34, 39, 48, 51, 52, 68, 78, 96, 102, 104, 136, 156, 204, 208, 221, 272, 312, 408, 416, 442, 544, 624, 663, 816, 884, 967, 1248, 1326, 1632, 1768, 1934, 2652, 2901, 3536, 3868, 5304, 5802, 7072, 7736, 10608, 11604, 12571, 15472, 16439, 21216, 23208, 25142, 30944, 32878, 37713, 46416, 49317, 50284, 65756, 75426, 92832, 98634, 100568, 131512, 150852, 197268, 201136, 213707, 263024, 301704, 394536, 402272, 427414, 526048, 603408, 641121, 789072, 854828, 1206816, 1282242, 1578144, 1709656, 2564484, 3419312, 5128968, 6838624, 10257936, 20515872]

約数ペア:

[(1, 20515872), (2, 10257936), (3, 6838624), (4, 5128968), (6, 3419312), (8, 2564484), (12, 1709656), (13, 1578144), (16, 1282242), (17, 1206816), (24, 854828), (26, 789072), (32, 641121), (34, 603408), (39, 526048), (48, 427414), (51, 402272), (52, 394536), (68, 301704), (78, 263024), (96, 213707), (102, 201136), (104, 197268), (136, 150852), (156, 131512), (204, 100568), (208, 98634), (221, 92832), (272, 75426), (312, 65756), (408, 50284), (416, 49317), (442, 46416), (544, 37713), (624, 32878), (663, 30944), (816, 25142), (884, 23208), (967, 21216), (1248, 16439), (1326, 15472), (1632, 12571), (1768, 11604), (1934, 10608), (2652, 7736), (2901, 7072), (3536, 5802), (3868, 5304)]