20002976

素因数分解:

$2^5\times 7^2\times {\mathrm{12757}}^1$

素因数の和:12781

約数の個数: 36

約数和(自身を含む): 45813978

約数和(自身を除く): 25811002

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 12757, 25514, 51028, 89299, 102056, 178598, 204112, 357196, 408224, 625093, 714392, 1250186, 1428784, 2500372, 2857568, 5000744, 10001488, 20002976]

約数ペア:

[(1, 20002976), (2, 10001488), (4, 5000744), (7, 2857568), (8, 2500372), (14, 1428784), (16, 1250186), (28, 714392), (32, 625093), (49, 408224), (56, 357196), (98, 204112), (112, 178598), (196, 102056), (224, 89299), (392, 51028), (784, 25514), (1568, 12757)]