20118837

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 9879243

約数列:

[1, 3, 17, 29, 51, 61, 87, 183, 223, 493, 669, 1037, 1479, 1769, 3111, 3791, 5307, 6467, 11373, 13603, 19401, 30073, 40809, 90219, 109939, 231251, 329817, 394487, 693753, 1183461, 6706279, 20118837]

約数ペア:

[(1, 20118837), (3, 6706279), (17, 1183461), (29, 693753), (51, 394487), (61, 329817), (87, 231251), (183, 109939), (223, 90219), (493, 40809), (669, 30073), (1037, 19401), (1479, 13603), (1769, 11373), (3111, 6467), (3791, 5307)]