20148352

素因数分解:

$2^7\times 7^1\times {\mathrm{113}}^1\times {\mathrm{199}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 46512000

約数和(自身を除く): 26363648

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 113, 128, 199, 224, 226, 398, 448, 452, 791, 796, 896, 904, 1393, 1582, 1592, 1808, 2786, 3164, 3184, 3616, 5572, 6328, 6368, 7232, 11144, 12656, 12736, 14464, 22288, 22487, 25312, 25472, 44576, 44974, 50624, 89152, 89948, 101248, 157409, 178304, 179896, 314818, 359792, 629636, 719584, 1259272, 1439168, 2518544, 2878336, 5037088, 10074176, 20148352]

約数ペア:

[(1, 20148352), (2, 10074176), (4, 5037088), (7, 2878336), (8, 2518544), (14, 1439168), (16, 1259272), (28, 719584), (32, 629636), (56, 359792), (64, 314818), (112, 179896), (113, 178304), (128, 157409), (199, 101248), (224, 89948), (226, 89152), (398, 50624), (448, 44974), (452, 44576), (791, 25472), (796, 25312), (896, 22487), (904, 22288), (1393, 14464), (1582, 12736), (1592, 12656), (1808, 11144), (2786, 7232), (3164, 6368), (3184, 6328), (3616, 5572)]