20713590981

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{769}}^1\times {\mathrm{157519}}^1$

素因数の和:158313

約数の個数: 24

約数和(自身を含む): 31535504000

約数和(自身を除く): 10821913019

約数列:

[1, 3, 9, 19, 57, 171, 769, 2307, 6921, 14611, 43833, 131499, 157519, 472557, 1417671, 2992861, 8978583, 26935749, 121132111, 363396333, 1090188999, 2301510109, 6904530327, 20713590981]

約数ペア:

[(1, 20713590981), (3, 6904530327), (9, 2301510109), (19, 1090188999), (57, 363396333), (171, 121132111), (769, 26935749), (2307, 8978583), (6921, 2992861), (14611, 1417671), (43833, 472557), (131499, 157519)]