20020492740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{815831}}^1$

素因数の和:816252

約数の個数: 48

約数和(自身を含む): 56194508160

約数和(自身を除く): 36174015420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 409, 818, 1227, 1636, 2045, 2454, 4090, 4908, 6135, 8180, 12270, 24540, 815831, 1631662, 2447493, 3263324, 4079155, 4894986, 8158310, 9789972, 12237465, 16316620, 24474930, 48949860, 333674879, 667349758, 1001024637, 1334699516, 1668374395, 2002049274, 3336748790, 4004098548, 5005123185, 6673497580, 10010246370, 20020492740]

約数ペア:

[(1, 20020492740), (2, 10010246370), (3, 6673497580), (4, 5005123185), (5, 4004098548), (6, 3336748790), (10, 2002049274), (12, 1668374395), (15, 1334699516), (20, 1001024637), (30, 667349758), (60, 333674879), (409, 48949860), (818, 24474930), (1227, 16316620), (1636, 12237465), (2045, 9789972), (2454, 8158310), (4090, 4894986), (4908, 4079155), (6135, 3263324), (8180, 2447493), (12270, 1631662), (24540, 815831)]