20398112

素因数分解:

$2^5\times 7^2\times {\mathrm{13009}}^1$

素因数の和:13033

約数の個数: 36

約数和(自身を含む): 46718910

約数和(自身を除く): 26320798

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13009, 26018, 52036, 91063, 104072, 182126, 208144, 364252, 416288, 637441, 728504, 1274882, 1457008, 2549764, 2914016, 5099528, 10199056, 20398112]

約数ペア:

[(1, 20398112), (2, 10199056), (4, 5099528), (7, 2914016), (8, 2549764), (14, 1457008), (16, 1274882), (28, 728504), (32, 637441), (49, 416288), (56, 364252), (98, 208144), (112, 182126), (196, 104072), (224, 91063), (392, 52036), (784, 26018), (1568, 13009)]