20394976

素因数分解:

$2^5\times 7^2\times {\mathrm{13007}}^1$

素因数の和:13031

約数の個数: 36

約数和(自身を含む): 46711728

約数和(自身を除く): 26316752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13007, 26014, 52028, 91049, 104056, 182098, 208112, 364196, 416224, 637343, 728392, 1274686, 1456784, 2549372, 2913568, 5098744, 10197488, 20394976]

約数ペア:

[(1, 20394976), (2, 10197488), (4, 5098744), (7, 2913568), (8, 2549372), (14, 1456784), (16, 1274686), (28, 728392), (32, 637343), (49, 416224), (56, 364196), (98, 208112), (112, 182098), (196, 104056), (224, 91049), (392, 52028), (784, 26014), (1568, 13007)]