20359220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145423}}^1$

素因数の和:145439

約数の個数: 24

約数和(自身を含む): 48862464

約数和(自身を除く): 28503244

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145423, 290846, 581692, 727115, 1017961, 1454230, 2035922, 2908460, 4071844, 5089805, 10179610, 20359220]

約数ペア:

[(1, 20359220), (2, 10179610), (4, 5089805), (5, 4071844), (7, 2908460), (10, 2035922), (14, 1454230), (20, 1017961), (28, 727115), (35, 581692), (70, 290846), (140, 145423)]