20551060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13007}}^1$

素因数の和:13095

約数の個数: 24

約数和(自身を含む): 43706880

約数和(自身を除く): 23155820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 13007, 26014, 52028, 65035, 130070, 260140, 1027553, 2055106, 4110212, 5137765, 10275530, 20551060]

約数ペア:

[(1, 20551060), (2, 10275530), (4, 5137765), (5, 4110212), (10, 2055106), (20, 1027553), (79, 260140), (158, 130070), (316, 65035), (395, 52028), (790, 26014), (1580, 13007)]