20877446

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 13184890

約数列:

[1, 2, 31, 41, 43, 62, 82, 86, 191, 382, 1271, 1333, 1763, 2542, 2666, 3526, 5921, 7831, 8213, 11842, 15662, 16426, 54653, 109306, 242761, 254603, 336733, 485522, 509206, 673466, 10438723, 20877446]

約数ペア:

[(1, 20877446), (2, 10438723), (31, 673466), (41, 509206), (43, 485522), (62, 336733), (82, 254603), (86, 242761), (191, 109306), (382, 54653), (1271, 16426), (1333, 15662), (1763, 11842), (2542, 8213), (2666, 7831), (3526, 5921)]