20213458

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8291}}^1$

素因数の和:8369

約数の個数: 16

約数和(自身を含む): 32239296

約数和(自身を除く): 12025838

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8291, 16582, 190693, 381386, 439423, 878846, 10106729, 20213458]

約数ペア:

[(1, 20213458), (2, 10106729), (23, 878846), (46, 439423), (53, 381386), (106, 190693), (1219, 16582), (2438, 8291)]