20970110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15767}}^1$

素因数の和:15800

約数の個数: 32

約数和(自身を含む): 45411840

約数和(自身を除く): 24441730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 15767, 31534, 78835, 110369, 157670, 220738, 299573, 551845, 599146, 1103690, 1497865, 2097011, 2995730, 4194022, 10485055, 20970110]

約数ペア:

[(1, 20970110), (2, 10485055), (5, 4194022), (7, 2995730), (10, 2097011), (14, 1497865), (19, 1103690), (35, 599146), (38, 551845), (70, 299573), (95, 220738), (133, 157670), (190, 110369), (266, 78835), (665, 31534), (1330, 15767)]