20720792

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{5927}}^1$

素因数の和:5975

約数の個数: 32

約数和(自身を含む): 42681600

約数和(自身を除く): 21960808

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 437, 874, 1748, 3496, 5927, 11854, 23708, 47416, 112613, 136321, 225226, 272642, 450452, 545284, 900904, 1090568, 2590099, 5180198, 10360396, 20720792]

約数ペア:

[(1, 20720792), (2, 10360396), (4, 5180198), (8, 2590099), (19, 1090568), (23, 900904), (38, 545284), (46, 450452), (76, 272642), (92, 225226), (152, 136321), (184, 112613), (437, 47416), (874, 23708), (1748, 11854), (3496, 5927)]