20431130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 38648448

約数和(自身を除く): 18217318

約数列:

[1, 2, 5, 10, 23, 46, 115, 211, 230, 421, 422, 842, 1055, 2105, 2110, 4210, 4853, 9683, 9706, 19366, 24265, 48415, 48530, 88831, 96830, 177662, 444155, 888310, 2043113, 4086226, 10215565, 20431130]

約数ペア:

[(1, 20431130), (2, 10215565), (5, 4086226), (10, 2043113), (23, 888310), (46, 444155), (115, 177662), (211, 96830), (230, 88831), (421, 48530), (422, 48415), (842, 24265), (1055, 19366), (2105, 9706), (2110, 9683), (4210, 4853)]