20199159820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6273031}}^1$

素因数の和:6273070

約数の個数: 48

約数和(自身を含む): 50585730048

約数和(自身を除く): 30386570228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 6273031, 12546062, 25092124, 31365155, 43911217, 62730310, 87822434, 125460620, 144279713, 175644868, 219556085, 288559426, 439112170, 577118852, 721398565, 878224340, 1009957991, 1442797130, 2019915982, 2885594260, 4039831964, 5049789955, 10099579910, 20199159820]

約数ペア:

[(1, 20199159820), (2, 10099579910), (4, 5049789955), (5, 4039831964), (7, 2885594260), (10, 2019915982), (14, 1442797130), (20, 1009957991), (23, 878224340), (28, 721398565), (35, 577118852), (46, 439112170), (70, 288559426), (92, 219556085), (115, 175644868), (140, 144279713), (161, 125460620), (230, 87822434), (322, 62730310), (460, 43911217), (644, 31365155), (805, 25092124), (1610, 12546062), (3220, 6273031)]