20707792

素因数分解:

$2^4\times 7^2\times {\mathrm{61}}^1\times {\mathrm{433}}^1$

素因数の和:516

約数の個数: 60

約数和(自身を含む): 47546436

約数和(自身を除く): 26838644

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 61, 98, 112, 122, 196, 244, 392, 427, 433, 488, 784, 854, 866, 976, 1708, 1732, 2989, 3031, 3416, 3464, 5978, 6062, 6832, 6928, 11956, 12124, 21217, 23912, 24248, 26413, 42434, 47824, 48496, 52826, 84868, 105652, 169736, 184891, 211304, 339472, 369782, 422608, 739564, 1294237, 1479128, 2588474, 2958256, 5176948, 10353896, 20707792]

約数ペア:

[(1, 20707792), (2, 10353896), (4, 5176948), (7, 2958256), (8, 2588474), (14, 1479128), (16, 1294237), (28, 739564), (49, 422608), (56, 369782), (61, 339472), (98, 211304), (112, 184891), (122, 169736), (196, 105652), (244, 84868), (392, 52826), (427, 48496), (433, 47824), (488, 42434), (784, 26413), (854, 24248), (866, 23912), (976, 21217), (1708, 12124), (1732, 11956), (2989, 6928), (3031, 6832), (3416, 6062), (3464, 5978)]