20909944

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{10331}}^1$

素因数の和:10371

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 23724296

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 88, 92, 184, 253, 506, 1012, 2024, 10331, 20662, 41324, 82648, 113641, 227282, 237613, 454564, 475226, 909128, 950452, 1900904, 2613743, 5227486, 10454972, 20909944]

約数ペア:

[(1, 20909944), (2, 10454972), (4, 5227486), (8, 2613743), (11, 1900904), (22, 950452), (23, 909128), (44, 475226), (46, 454564), (88, 237613), (92, 227282), (184, 113641), (253, 82648), (506, 41324), (1012, 20662), (2024, 10331)]