20464532

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:392

約数の個数: 48

約数和(自身を含む): 41912640

約数和(自身を除く): 21448108

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 109, 187, 218, 251, 374, 436, 502, 748, 1004, 1199, 1853, 2398, 2761, 3706, 4267, 4796, 5522, 7412, 8534, 11044, 17068, 20383, 27359, 40766, 46937, 54718, 81532, 93874, 109436, 187748, 300949, 465103, 601898, 930206, 1203796, 1860412, 5116133, 10232266, 20464532]

約数ペア:

[(1, 20464532), (2, 10232266), (4, 5116133), (11, 1860412), (17, 1203796), (22, 930206), (34, 601898), (44, 465103), (68, 300949), (109, 187748), (187, 109436), (218, 93874), (251, 81532), (374, 54718), (436, 46937), (502, 40766), (748, 27359), (1004, 20383), (1199, 17068), (1853, 11044), (2398, 8534), (2761, 7412), (3706, 5522), (4267, 4796)]