20238009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 30916608

約数和(自身を除く): 10678599

約数列:

[1, 3, 11, 31, 33, 73, 93, 219, 271, 341, 803, 813, 1023, 2263, 2409, 2981, 6789, 8401, 8943, 19783, 24893, 25203, 59349, 74679, 92411, 217613, 277233, 613273, 652839, 1839819, 6746003, 20238009]

約数ペア:

[(1, 20238009), (3, 6746003), (11, 1839819), (31, 652839), (33, 613273), (73, 277233), (93, 217613), (219, 92411), (271, 74679), (341, 59349), (803, 25203), (813, 24893), (1023, 19783), (2263, 8943), (2409, 8401), (2981, 6789)]