20280778755

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1\times {\mathrm{59659}}^1$

素因数の和:59971

約数の個数: 32

約数和(自身を含む): 32886501120

約数和(自身を除く): 12605722365

約数列:

[1, 3, 5, 15, 131, 173, 393, 519, 655, 865, 1965, 2595, 22663, 59659, 67989, 113315, 178977, 298295, 339945, 894885, 7815329, 10321007, 23445987, 30963021, 39076645, 51605035, 117229935, 154815105, 1352051917, 4056155751, 6760259585, 20280778755]

約数ペア:

[(1, 20280778755), (3, 6760259585), (5, 4056155751), (15, 1352051917), (131, 154815105), (173, 117229935), (393, 51605035), (519, 39076645), (655, 30963021), (865, 23445987), (1965, 10321007), (2595, 7815329), (22663, 894885), (59659, 339945), (67989, 298295), (113315, 178977)]