20913774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1723}}^1$

素因数の和:1769

約数の個数: 48

約数和(自身を含む): 50809728

約数和(自身を除く): 29895954

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 289, 357, 578, 714, 867, 1723, 1734, 2023, 3446, 4046, 5169, 6069, 10338, 12061, 12138, 24122, 29291, 36183, 58582, 72366, 87873, 175746, 205037, 410074, 497947, 615111, 995894, 1230222, 1493841, 2987682, 3485629, 6971258, 10456887, 20913774]

約数ペア:

[(1, 20913774), (2, 10456887), (3, 6971258), (6, 3485629), (7, 2987682), (14, 1493841), (17, 1230222), (21, 995894), (34, 615111), (42, 497947), (51, 410074), (102, 205037), (119, 175746), (238, 87873), (289, 72366), (357, 58582), (578, 36183), (714, 29291), (867, 24122), (1723, 12138), (1734, 12061), (2023, 10338), (3446, 6069), (4046, 5169)]