20005812

素因数分解:

$2^2\times 3^3\times {\mathrm{71}}^1\times {\mathrm{2609}}^1$

素因数の和:2693

約数の個数: 48

約数和(自身を含む): 52617600

約数和(自身を除く): 32611788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 71, 108, 142, 213, 284, 426, 639, 852, 1278, 1917, 2556, 2609, 3834, 5218, 7668, 7827, 10436, 15654, 23481, 31308, 46962, 70443, 93924, 140886, 185239, 281772, 370478, 555717, 740956, 1111434, 1667151, 2222868, 3334302, 5001453, 6668604, 10002906, 20005812]

約数ペア:

[(1, 20005812), (2, 10002906), (3, 6668604), (4, 5001453), (6, 3334302), (9, 2222868), (12, 1667151), (18, 1111434), (27, 740956), (36, 555717), (54, 370478), (71, 281772), (108, 185239), (142, 140886), (213, 93924), (284, 70443), (426, 46962), (639, 31308), (852, 23481), (1278, 15654), (1917, 10436), (2556, 7827), (2609, 7668), (3834, 5218)]