20520696

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{122147}}^1$

素因数の和:122163

約数の個数: 32

約数和(自身を含む): 58631040

約数和(自身を除く): 38110344

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 122147, 244294, 366441, 488588, 732882, 855029, 977176, 1465764, 1710058, 2565087, 2931528, 3420116, 5130174, 6840232, 10260348, 20520696]

約数ペア:

[(1, 20520696), (2, 10260348), (3, 6840232), (4, 5130174), (6, 3420116), (7, 2931528), (8, 2565087), (12, 1710058), (14, 1465764), (21, 977176), (24, 855029), (28, 732882), (42, 488588), (56, 366441), (84, 244294), (168, 122147)]