20939330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{577}}^1$

素因数の和:794

約数の個数: 32

約数和(自身を含む): 39951360

約数和(自身を除く): 19012030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 191, 382, 577, 955, 1154, 1910, 2885, 3629, 5770, 7258, 10963, 18145, 21926, 36290, 54815, 109630, 110207, 220414, 551035, 1102070, 2093933, 4187866, 10469665, 20939330]

約数ペア:

[(1, 20939330), (2, 10469665), (5, 4187866), (10, 2093933), (19, 1102070), (38, 551035), (95, 220414), (190, 110207), (191, 109630), (382, 54815), (577, 36290), (955, 21926), (1154, 18145), (1910, 10963), (2885, 7258), (3629, 5770)]