20328022

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 39299904

約数和(自身を除く): 18971882

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 37, 74, 113, 143, 187, 221, 226, 286, 374, 407, 442, 481, 629, 814, 962, 1243, 1258, 1469, 1921, 2431, 2486, 2938, 3842, 4181, 4862, 5291, 6919, 8177, 8362, 10582, 13838, 16159, 16354, 21131, 24973, 32318, 42262, 45991, 49946, 54353, 71077, 89947, 91982, 108706, 142154, 179894, 274703, 549406, 597883, 781847, 924001, 1195766, 1563694, 1848002, 10164011, 20328022]

約数ペア:

[(1, 20328022), (2, 10164011), (11, 1848002), (13, 1563694), (17, 1195766), (22, 924001), (26, 781847), (34, 597883), (37, 549406), (74, 274703), (113, 179894), (143, 142154), (187, 108706), (221, 91982), (226, 89947), (286, 71077), (374, 54353), (407, 49946), (442, 45991), (481, 42262), (629, 32318), (814, 24973), (962, 21131), (1243, 16354), (1258, 16159), (1469, 13838), (1921, 10582), (2431, 8362), (2486, 8177), (2938, 6919), (3842, 5291), (4181, 4862)]