20280512

素因数分解:

$2^6\times 7^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 84

約数和(自身を含む): 48646080

約数和(自身を除く): 28365568

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 64, 98, 112, 116, 196, 203, 223, 224, 232, 392, 406, 446, 448, 464, 784, 812, 892, 928, 1421, 1561, 1568, 1624, 1784, 1856, 2842, 3122, 3136, 3248, 3568, 5684, 6244, 6467, 6496, 7136, 10927, 11368, 12488, 12934, 12992, 14272, 21854, 22736, 24976, 25868, 43708, 45269, 45472, 49952, 51736, 87416, 90538, 90944, 99904, 103472, 174832, 181076, 206944, 316883, 349664, 362152, 413888, 633766, 699328, 724304, 1267532, 1448608, 2535064, 2897216, 5070128, 10140256, 20280512]

約数ペア:

[(1, 20280512), (2, 10140256), (4, 5070128), (7, 2897216), (8, 2535064), (14, 1448608), (16, 1267532), (28, 724304), (29, 699328), (32, 633766), (49, 413888), (56, 362152), (58, 349664), (64, 316883), (98, 206944), (112, 181076), (116, 174832), (196, 103472), (203, 99904), (223, 90944), (224, 90538), (232, 87416), (392, 51736), (406, 49952), (446, 45472), (448, 45269), (464, 43708), (784, 25868), (812, 24976), (892, 22736), (928, 21854), (1421, 14272), (1561, 12992), (1568, 12934), (1624, 12488), (1784, 11368), (1856, 10927), (2842, 7136), (3122, 6496), (3136, 6467), (3248, 6244), (3568, 5684)]