201021920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{114217}}^1$

素因数の和:114243

約数の個数: 48

約数和(自身を含む): 518092848

約数和(自身を除く): 317070928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 114217, 228434, 456868, 571085, 913736, 1142170, 1256387, 1827472, 2284340, 2512774, 3654944, 4568680, 5025548, 6281935, 9137360, 10051096, 12563870, 18274720, 20102192, 25127740, 40204384, 50255480, 100510960, 201021920]

約数ペア:

[(1, 201021920), (2, 100510960), (4, 50255480), (5, 40204384), (8, 25127740), (10, 20102192), (11, 18274720), (16, 12563870), (20, 10051096), (22, 9137360), (32, 6281935), (40, 5025548), (44, 4568680), (55, 3654944), (80, 2512774), (88, 2284340), (110, 1827472), (160, 1256387), (176, 1142170), (220, 913736), (352, 571085), (440, 456868), (880, 228434), (1760, 114217)]