20749894

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 36352800

約数和(自身を除く): 15602906

約数列:

[1, 2, 11, 17, 22, 34, 109, 187, 218, 374, 509, 1018, 1199, 1853, 2398, 3706, 5599, 8653, 11198, 17306, 20383, 40766, 55481, 95183, 110962, 190366, 610291, 943177, 1220582, 1886354, 10374947, 20749894]

約数ペア:

[(1, 20749894), (2, 10374947), (11, 1886354), (17, 1220582), (22, 943177), (34, 610291), (109, 190366), (187, 110962), (218, 95183), (374, 55481), (509, 40766), (1018, 20383), (1199, 17306), (1853, 11198), (2398, 8653), (3706, 5599)]