20854621915

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^2\times {\mathrm{14767}}^1$

素因数の和:14979

約数の個数: 24

約数和(自身を含む): 25950270528

約数和(自身を除く): 5095648613

約数列:

[1, 5, 41, 83, 205, 415, 3403, 6889, 14767, 17015, 34445, 73835, 282449, 605447, 1225661, 1412245, 3027235, 6128305, 50252101, 101729863, 251260505, 508649315, 4170924383, 20854621915]

約数ペア:

[(1, 20854621915), (5, 4170924383), (41, 508649315), (83, 251260505), (205, 101729863), (415, 50252101), (3403, 6128305), (6889, 3027235), (14767, 1412245), (17015, 1225661), (34445, 605447), (73835, 282449)]