20577761729

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{63697}}^1$

素因数の和:64077

約数の個数: 24

約数和(自身を含む): 25270270560

約数和(自身を除く): 4692508831

約数列:

[1, 7, 19, 49, 133, 347, 931, 2429, 6593, 17003, 46151, 63697, 323057, 445879, 1210243, 3121153, 8471701, 22102859, 59301907, 154720013, 419954321, 1083040091, 2939680247, 20577761729]

約数ペア:

[(1, 20577761729), (7, 2939680247), (19, 1083040091), (49, 419954321), (133, 154720013), (347, 59301907), (931, 22102859), (2429, 8471701), (6593, 3121153), (17003, 1210243), (46151, 445879), (63697, 323057)]