20868984

素因数分解:

$2^3\times 3^2\times {\mathrm{289847}}^1$

素因数の和:289859

約数の個数: 24

約数和(自身を含む): 56520360

約数和(自身を除く): 35651376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 289847, 579694, 869541, 1159388, 1739082, 2318776, 2608623, 3478164, 5217246, 6956328, 10434492, 20868984]

約数ペア:

[(1, 20868984), (2, 10434492), (3, 6956328), (4, 5217246), (6, 3478164), (8, 2608623), (9, 2318776), (12, 1739082), (18, 1159388), (24, 869541), (36, 579694), (72, 289847)]