20549704

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5477}}^1$

素因数の和:5557

約数の個数: 32

約数和(自身を含む): 44700480

約数和(自身を除く): 24150776

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 5477, 10954, 21908, 38339, 43816, 76678, 153356, 306712, 366959, 733918, 1467836, 2568713, 2935672, 5137426, 10274852, 20549704]

約数ペア:

[(1, 20549704), (2, 10274852), (4, 5137426), (7, 2935672), (8, 2568713), (14, 1467836), (28, 733918), (56, 366959), (67, 306712), (134, 153356), (268, 76678), (469, 43816), (536, 38339), (938, 21908), (1876, 10954), (3752, 5477)]