20670690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4957}}^1$

素因数の和:5106

約数の個数: 32

約数和(自身を含む): 49976640

約数和(自身を除く): 29305950

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 4957, 9914, 14871, 24785, 29742, 49570, 74355, 148710, 689023, 1378046, 2067069, 3445115, 4134138, 6890230, 10335345, 20670690]

約数ペア:

[(1, 20670690), (2, 10335345), (3, 6890230), (5, 4134138), (6, 3445115), (10, 2067069), (15, 1378046), (30, 689023), (139, 148710), (278, 74355), (417, 49570), (695, 29742), (834, 24785), (1390, 14871), (2085, 9914), (4170, 4957)]