20623854

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1381}}^1$

素因数の和:1536

約数の個数: 32

約数和(自身を含む): 43781760

約数和(自身を除く): 23157906

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 131, 262, 393, 786, 1381, 2489, 2762, 4143, 4978, 7467, 8286, 14934, 26239, 52478, 78717, 157434, 180911, 361822, 542733, 1085466, 3437309, 6874618, 10311927, 20623854]

約数ペア:

[(1, 20623854), (2, 10311927), (3, 6874618), (6, 3437309), (19, 1085466), (38, 542733), (57, 361822), (114, 180911), (131, 157434), (262, 78717), (393, 52478), (786, 26239), (1381, 14934), (2489, 8286), (2762, 7467), (4143, 4978)]