20196510

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^2$

素因数の和:425

約数の個数: 48

約数和(自身を含む): 51582096

約数和(自身を除く): 31385586

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 199, 255, 398, 510, 597, 995, 1194, 1990, 2985, 3383, 5970, 6766, 10149, 16915, 20298, 33830, 39601, 50745, 79202, 101490, 118803, 198005, 237606, 396010, 594015, 673217, 1188030, 1346434, 2019651, 3366085, 4039302, 6732170, 10098255, 20196510]

約数ペア:

[(1, 20196510), (2, 10098255), (3, 6732170), (5, 4039302), (6, 3366085), (10, 2019651), (15, 1346434), (17, 1188030), (30, 673217), (34, 594015), (51, 396010), (85, 237606), (102, 198005), (170, 118803), (199, 101490), (255, 79202), (398, 50745), (510, 39601), (597, 33830), (995, 20298), (1194, 16915), (1990, 10149), (2985, 6766), (3383, 5970)]