19875220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43207}}^1$

素因数の和:43239

約数の個数: 24

約数和(自身を含む): 43553664

約数和(自身を除く): 23678444

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 43207, 86414, 172828, 216035, 432070, 864140, 993761, 1987522, 3975044, 4968805, 9937610, 19875220]

約数ペア:

[(1, 19875220), (2, 9937610), (4, 4968805), (5, 3975044), (10, 1987522), (20, 993761), (23, 864140), (46, 432070), (92, 216035), (115, 172828), (230, 86414), (460, 43207)]