20877136

素因数分解:

$2^4\times 7^2\times {\mathrm{31}}^1\times {\mathrm{859}}^1$

素因数の和:912

約数の個数: 60

約数和(自身を含む): 48627840

約数和(自身を除く): 27750704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 49, 56, 62, 98, 112, 124, 196, 217, 248, 392, 434, 496, 784, 859, 868, 1519, 1718, 1736, 3038, 3436, 3472, 6013, 6076, 6872, 12026, 12152, 13744, 24052, 24304, 26629, 42091, 48104, 53258, 84182, 96208, 106516, 168364, 186403, 213032, 336728, 372806, 426064, 673456, 745612, 1304821, 1491224, 2609642, 2982448, 5219284, 10438568, 20877136]

約数ペア:

[(1, 20877136), (2, 10438568), (4, 5219284), (7, 2982448), (8, 2609642), (14, 1491224), (16, 1304821), (28, 745612), (31, 673456), (49, 426064), (56, 372806), (62, 336728), (98, 213032), (112, 186403), (124, 168364), (196, 106516), (217, 96208), (248, 84182), (392, 53258), (434, 48104), (496, 42091), (784, 26629), (859, 24304), (868, 24052), (1519, 13744), (1718, 12152), (1736, 12026), (3038, 6872), (3436, 6076), (3472, 6013)]