20889144

素因数分解:

$2^3\times 3^3\times {\mathrm{97}}^1\times {\mathrm{997}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 58682400

約数和(自身を除く): 37793256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 97, 108, 194, 216, 291, 388, 582, 776, 873, 997, 1164, 1746, 1994, 2328, 2619, 2991, 3492, 3988, 5238, 5982, 6984, 7976, 8973, 10476, 11964, 17946, 20952, 23928, 26919, 35892, 53838, 71784, 96709, 107676, 193418, 215352, 290127, 386836, 580254, 773672, 870381, 1160508, 1740762, 2321016, 2611143, 3481524, 5222286, 6963048, 10444572, 20889144]

約数ペア:

[(1, 20889144), (2, 10444572), (3, 6963048), (4, 5222286), (6, 3481524), (8, 2611143), (9, 2321016), (12, 1740762), (18, 1160508), (24, 870381), (27, 773672), (36, 580254), (54, 386836), (72, 290127), (97, 215352), (108, 193418), (194, 107676), (216, 96709), (291, 71784), (388, 53838), (582, 35892), (776, 26919), (873, 23928), (997, 20952), (1164, 17946), (1746, 11964), (1994, 10476), (2328, 8973), (2619, 7976), (2991, 6984), (3492, 5982), (3988, 5238)]