20454736

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{31181}}^1$

素因数の和:31230

約数の個数: 20

約数和(自身を含む): 40598964

約数和(自身を除く): 20144228

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 31181, 62362, 124724, 249448, 498896, 1278421, 2556842, 5113684, 10227368, 20454736]

約数ペア:

[(1, 20454736), (2, 10227368), (4, 5113684), (8, 2556842), (16, 1278421), (41, 498896), (82, 249448), (164, 124724), (328, 62362), (656, 31181)]