20011384516

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{978839}}^1$

素因数の和:979131

約数の個数: 24

約数和(自身を含む): 37000152000

約数和(自身を除く): 16988767484

約数列:

[1, 2, 4, 19, 38, 76, 269, 538, 1076, 5111, 10222, 20444, 978839, 1957678, 3915356, 18597941, 37195882, 74391764, 263307691, 526615382, 1053230764, 5002846129, 10005692258, 20011384516]

約数ペア:

[(1, 20011384516), (2, 10005692258), (4, 5002846129), (19, 1053230764), (38, 526615382), (76, 263307691), (269, 74391764), (538, 37195882), (1076, 18597941), (5111, 3915356), (10222, 1957678), (20444, 978839)]