20199017672

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{31960471}}^1$

素因数の和:31960556

約数の個数: 16

約数和(自身を含む): 38352566400

約数和(自身を除く): 18153548728

約数列:

[1, 2, 4, 8, 79, 158, 316, 632, 31960471, 63920942, 127841884, 255683768, 2524877209, 5049754418, 10099508836, 20199017672]

約数ペア:

[(1, 20199017672), (2, 10099508836), (4, 5049754418), (8, 2524877209), (79, 255683768), (158, 127841884), (316, 63920942), (632, 31960471)]