20896072

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 40043520

約数和(自身を除く): 19147448

約数列:

[1, 2, 4, 8, 127, 131, 157, 254, 262, 314, 508, 524, 628, 1016, 1048, 1256, 16637, 19939, 20567, 33274, 39878, 41134, 66548, 79756, 82268, 133096, 159512, 164536, 2612009, 5224018, 10448036, 20896072]

約数ペア:

[(1, 20896072), (2, 10448036), (4, 5224018), (8, 2612009), (127, 164536), (131, 159512), (157, 133096), (254, 82268), (262, 79756), (314, 66548), (508, 41134), (524, 39878), (628, 33274), (1016, 20567), (1048, 19939), (1256, 16637)]