20842186

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 32

約数和(自身を含む): 34328448

約数和(自身を除く): 13486262

約数列:

[1, 2, 23, 41, 43, 46, 82, 86, 257, 514, 943, 989, 1763, 1886, 1978, 3526, 5911, 10537, 11051, 11822, 21074, 22102, 40549, 81098, 242351, 254173, 453091, 484702, 508346, 906182, 10421093, 20842186]

約数ペア:

[(1, 20842186), (2, 10421093), (23, 906182), (41, 508346), (43, 484702), (46, 453091), (82, 254173), (86, 242351), (257, 81098), (514, 40549), (943, 22102), (989, 21074), (1763, 11822), (1886, 11051), (1978, 10537), (3526, 5911)]