20669272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8641}}^1$

素因数の和:8683

約数の個数: 32

約数和(自身を含む): 43555680

約数和(自身を除く): 22886408

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 8641, 17282, 34564, 69128, 112333, 198743, 224666, 397486, 449332, 794972, 898664, 1589944, 2583659, 5167318, 10334636, 20669272]

約数ペア:

[(1, 20669272), (2, 10334636), (4, 5167318), (8, 2583659), (13, 1589944), (23, 898664), (26, 794972), (46, 449332), (52, 397486), (92, 224666), (104, 198743), (184, 112333), (299, 69128), (598, 34564), (1196, 17282), (2392, 8641)]