22682020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 49392000

約数和(自身を除く): 26709980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 139, 164, 199, 205, 278, 398, 410, 556, 695, 796, 820, 995, 1390, 1990, 2780, 3980, 5699, 8159, 11398, 16318, 22796, 27661, 28495, 32636, 40795, 55322, 56990, 81590, 110644, 113980, 138305, 163180, 276610, 553220, 1134101, 2268202, 4536404, 5670505, 11341010, 22682020]

約数ペア:

[(1, 22682020), (2, 11341010), (4, 5670505), (5, 4536404), (10, 2268202), (20, 1134101), (41, 553220), (82, 276610), (139, 163180), (164, 138305), (199, 113980), (205, 110644), (278, 81590), (398, 56990), (410, 55322), (556, 40795), (695, 32636), (796, 28495), (820, 27661), (995, 22796), (1390, 16318), (1990, 11398), (2780, 8159), (3980, 5699)]