20290414790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2971}}^1\times {\mathrm{9619}}^1$

素因数の和:12668

約数の個数: 32

約数和(自身を含む): 37053469440

約数和(自身を除く): 16763054650

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 2971, 5942, 9619, 14855, 19238, 29710, 48095, 96190, 210941, 421882, 682949, 1054705, 1365898, 2109410, 3414745, 6829490, 28578049, 57156098, 142890245, 285780490, 2029041479, 4058082958, 10145207395, 20290414790]

約数ペア:

[(1, 20290414790), (2, 10145207395), (5, 4058082958), (10, 2029041479), (71, 285780490), (142, 142890245), (355, 57156098), (710, 28578049), (2971, 6829490), (5942, 3414745), (9619, 2109410), (14855, 1365898), (19238, 1054705), (29710, 682949), (48095, 421882), (96190, 210941)]