20578544

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5927}}^1$

素因数の和:5973

約数の個数: 40

約数和(自身を含む): 47044608

約数和(自身を除く): 26466064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 5927, 11854, 23708, 41489, 47416, 82978, 94832, 165956, 183737, 331912, 367474, 663824, 734948, 1286159, 1469896, 2572318, 2939792, 5144636, 10289272, 20578544]

約数ペア:

[(1, 20578544), (2, 10289272), (4, 5144636), (7, 2939792), (8, 2572318), (14, 1469896), (16, 1286159), (28, 734948), (31, 663824), (56, 367474), (62, 331912), (112, 183737), (124, 165956), (217, 94832), (248, 82978), (434, 47416), (496, 41489), (868, 23708), (1736, 11854), (3472, 5927)]