20948670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{1699}}^1$

素因数の和:1849

約数の個数: 48

約数和(自身を含む): 54896400

約数和(自身を除く): 33947730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 137, 274, 411, 685, 822, 1233, 1370, 1699, 2055, 2466, 3398, 4110, 5097, 6165, 8495, 10194, 12330, 15291, 16990, 25485, 30582, 50970, 76455, 152910, 232763, 465526, 698289, 1163815, 1396578, 2094867, 2327630, 3491445, 4189734, 6982890, 10474335, 20948670]

約数ペア:

[(1, 20948670), (2, 10474335), (3, 6982890), (5, 4189734), (6, 3491445), (9, 2327630), (10, 2094867), (15, 1396578), (18, 1163815), (30, 698289), (45, 465526), (90, 232763), (137, 152910), (274, 76455), (411, 50970), (685, 30582), (822, 25485), (1233, 16990), (1370, 15291), (1699, 12330), (2055, 10194), (2466, 8495), (3398, 6165), (4110, 5097)]