20198776

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{541}}^1$

素因数の和:919

約数の個数: 32

約数和(自身を含む): 40975200

約数和(自身を除く): 20776424

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 359, 541, 718, 1082, 1436, 2164, 2872, 4328, 4667, 7033, 9334, 14066, 18668, 28132, 37336, 56264, 194219, 388438, 776876, 1553752, 2524847, 5049694, 10099388, 20198776]

約数ペア:

[(1, 20198776), (2, 10099388), (4, 5049694), (8, 2524847), (13, 1553752), (26, 776876), (52, 388438), (104, 194219), (359, 56264), (541, 37336), (718, 28132), (1082, 18668), (1436, 14066), (2164, 9334), (2872, 7033), (4328, 4667)]