20874846

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{457}}^1$

素因数の和:816

約数の個数: 32

約数和(自身を含む): 43792128

約数和(自身を除く): 22917282

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 331, 457, 662, 914, 993, 1371, 1986, 2742, 7613, 10511, 15226, 21022, 22839, 31533, 45678, 63066, 151267, 302534, 453801, 907602, 3479141, 6958282, 10437423, 20874846]

約数ペア:

[(1, 20874846), (2, 10437423), (3, 6958282), (6, 3479141), (23, 907602), (46, 453801), (69, 302534), (138, 151267), (331, 63066), (457, 45678), (662, 31533), (914, 22839), (993, 21022), (1371, 15226), (1986, 10511), (2742, 7613)]