20929854

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 46577664

約数和(自身を除く): 25647810

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 121, 127, 227, 242, 254, 363, 381, 454, 681, 726, 762, 1362, 1397, 2497, 2794, 4191, 4994, 7491, 8382, 14982, 15367, 27467, 28829, 30734, 46101, 54934, 57658, 82401, 86487, 92202, 164802, 172974, 317119, 634238, 951357, 1902714, 3488309, 6976618, 10464927, 20929854]

約数ペア:

[(1, 20929854), (2, 10464927), (3, 6976618), (6, 3488309), (11, 1902714), (22, 951357), (33, 634238), (66, 317119), (121, 172974), (127, 164802), (227, 92202), (242, 86487), (254, 82401), (363, 57658), (381, 54934), (454, 46101), (681, 30734), (726, 28829), (762, 27467), (1362, 15367), (1397, 14982), (2497, 8382), (2794, 7491), (4191, 4994)]