20290670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{397}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 38685600

約数和(自身を除く): 18394930

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 269, 397, 538, 794, 1345, 1985, 2690, 3970, 5111, 7543, 10222, 15086, 25555, 37715, 51110, 75430, 106793, 213586, 533965, 1067930, 2029067, 4058134, 10145335, 20290670]

約数ペア:

[(1, 20290670), (2, 10145335), (5, 4058134), (10, 2029067), (19, 1067930), (38, 533965), (95, 213586), (190, 106793), (269, 75430), (397, 51110), (538, 37715), (794, 25555), (1345, 15086), (1985, 10222), (2690, 7543), (3970, 5111)]