20500110

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{601}}^1$

素因数の和:993

約数の個数: 48

約数和(自身を含む): 53529840

約数和(自身を除く): 33029730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 379, 601, 758, 1137, 1202, 1803, 1895, 2274, 3005, 3411, 3606, 3790, 5409, 5685, 6010, 6822, 9015, 10818, 11370, 17055, 18030, 27045, 34110, 54090, 227779, 455558, 683337, 1138895, 1366674, 2050011, 2277790, 3416685, 4100022, 6833370, 10250055, 20500110]

約数ペア:

[(1, 20500110), (2, 10250055), (3, 6833370), (5, 4100022), (6, 3416685), (9, 2277790), (10, 2050011), (15, 1366674), (18, 1138895), (30, 683337), (45, 455558), (90, 227779), (379, 54090), (601, 34110), (758, 27045), (1137, 18030), (1202, 17055), (1803, 11370), (1895, 10818), (2274, 9015), (3005, 6822), (3411, 6010), (3606, 5685), (3790, 5409)]