20796377

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 24268800

約数和(自身を除く): 3472423

約数列:

[1, 7, 127, 149, 157, 889, 1043, 1099, 18923, 19939, 23393, 132461, 139573, 163751, 2970911, 20796377]

約数ペア:

[(1, 20796377), (7, 2970911), (127, 163751), (149, 139573), (157, 132461), (889, 23393), (1043, 19939), (1099, 18923)]