20028128

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{32941}}^1$

素因数の和:32970

約数の個数: 24

約数和(自身を含む): 41506920

約数和(自身を除く): 21478792

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 32941, 65882, 131764, 263528, 527056, 625879, 1054112, 1251758, 2503516, 5007032, 10014064, 20028128]

約数ペア:

[(1, 20028128), (2, 10014064), (4, 5007032), (8, 2503516), (16, 1251758), (19, 1054112), (32, 625879), (38, 527056), (76, 263528), (152, 131764), (304, 65882), (608, 32941)]