20015056

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{65839}}^1$

素因数の和:65866

約数の個数: 20

約数和(自身を含む): 40820800

約数和(自身を除く): 20805744

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 65839, 131678, 263356, 526712, 1053424, 1250941, 2501882, 5003764, 10007528, 20015056]

約数ペア:

[(1, 20015056), (2, 10007528), (4, 5003764), (8, 2501882), (16, 1250941), (19, 1053424), (38, 526712), (76, 263356), (152, 131678), (304, 65839)]