20421854

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:260

約数の個数: 32

約数和(自身を含む): 33094656

約数和(自身を除く): 12672802

約数列:

[1, 2, 37, 41, 53, 74, 82, 106, 127, 254, 1517, 1961, 2173, 3034, 3922, 4346, 4699, 5207, 6731, 9398, 10414, 13462, 80401, 160802, 192659, 249047, 275971, 385318, 498094, 551942, 10210927, 20421854]

約数ペア:

[(1, 20421854), (2, 10210927), (37, 551942), (41, 498094), (53, 385318), (74, 275971), (82, 249047), (106, 192659), (127, 160802), (254, 80401), (1517, 13462), (1961, 10414), (2173, 9398), (3034, 6731), (3922, 5207), (4346, 4699)]