20984220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{116579}}^1$

素因数の和:116594

約数の個数: 36

約数和(自身を含む): 63652680

約数和(自身を除く): 42668460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 116579, 233158, 349737, 466316, 582895, 699474, 1049211, 1165790, 1398948, 1748685, 2098422, 2331580, 3497370, 4196844, 5246055, 6994740, 10492110, 20984220]

約数ペア:

[(1, 20984220), (2, 10492110), (3, 6994740), (4, 5246055), (5, 4196844), (6, 3497370), (9, 2331580), (10, 2098422), (12, 1748685), (15, 1398948), (18, 1165790), (20, 1049211), (30, 699474), (36, 582895), (45, 466316), (60, 349737), (90, 233158), (180, 116579)]