20977082

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1663}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 38817792

約数和(自身を除く): 17840710

約数列:

[1, 2, 7, 14, 17, 34, 53, 106, 119, 238, 371, 742, 901, 1663, 1802, 3326, 6307, 11641, 12614, 23282, 28271, 56542, 88139, 176278, 197897, 395794, 616973, 1233946, 1498363, 2996726, 10488541, 20977082]

約数ペア:

[(1, 20977082), (2, 10488541), (7, 2996726), (14, 1498363), (17, 1233946), (34, 616973), (53, 395794), (106, 197897), (119, 176278), (238, 88139), (371, 56542), (742, 28271), (901, 23282), (1663, 12614), (1802, 11641), (3326, 6307)]