20347986255

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{165653}}^1$

素因数の和:166111

約数の個数: 32

約数和(自身を含む): 34350013440

約数和(自身を除く): 14002027185

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 431, 1293, 2155, 6465, 8189, 24567, 40945, 122835, 165653, 496959, 828265, 2484795, 3147407, 9442221, 15737035, 47211105, 71396443, 214189329, 356982215, 1070946645, 1356532417, 4069597251, 6782662085, 20347986255]

約数ペア:

[(1, 20347986255), (3, 6782662085), (5, 4069597251), (15, 1356532417), (19, 1070946645), (57, 356982215), (95, 214189329), (285, 71396443), (431, 47211105), (1293, 15737035), (2155, 9442221), (6465, 3147407), (8189, 2484795), (24567, 828265), (40945, 496959), (122835, 165653)]