20596528

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 41515200

約数和(自身を除く): 20918672

約数列:

[1, 2, 4, 8, 16, 47, 61, 94, 122, 188, 244, 376, 449, 488, 752, 898, 976, 1796, 2867, 3592, 5734, 7184, 11468, 21103, 22936, 27389, 42206, 45872, 54778, 84412, 109556, 168824, 219112, 337648, 438224, 1287283, 2574566, 5149132, 10298264, 20596528]

約数ペア:

[(1, 20596528), (2, 10298264), (4, 5149132), (8, 2574566), (16, 1287283), (47, 438224), (61, 337648), (94, 219112), (122, 168824), (188, 109556), (244, 84412), (376, 54778), (449, 45872), (488, 42206), (752, 27389), (898, 22936), (976, 21103), (1796, 11468), (2867, 7184), (3592, 5734)]