20853483

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 33226752

約数和(自身を除く): 12373269

約数列:

[1, 3, 7, 21, 31, 93, 103, 217, 309, 311, 651, 721, 933, 2163, 2177, 3193, 6531, 9579, 9641, 22351, 28923, 32033, 67053, 67487, 96099, 202461, 224231, 672693, 993023, 2979069, 6951161, 20853483]

約数ペア:

[(1, 20853483), (3, 6951161), (7, 2979069), (21, 993023), (31, 672693), (93, 224231), (103, 202461), (217, 96099), (309, 67487), (311, 67053), (651, 32033), (721, 28923), (933, 22351), (2163, 9641), (2177, 9579), (3193, 6531)]