20154330

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{31991}}^1$

素因数の和:32011

約数の個数: 48

約数和(自身を含む): 59889024

約数和(自身を除く): 39734694

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 31991, 63982, 95973, 159955, 191946, 223937, 287919, 319910, 447874, 479865, 575838, 671811, 959730, 1119685, 1343622, 1439595, 2015433, 2239370, 2879190, 3359055, 4030866, 6718110, 10077165, 20154330]

約数ペア:

[(1, 20154330), (2, 10077165), (3, 6718110), (5, 4030866), (6, 3359055), (7, 2879190), (9, 2239370), (10, 2015433), (14, 1439595), (15, 1343622), (18, 1119685), (21, 959730), (30, 671811), (35, 575838), (42, 479865), (45, 447874), (63, 319910), (70, 287919), (90, 223937), (105, 191946), (126, 159955), (210, 95973), (315, 63982), (630, 31991)]