20402070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52313}}^1$

素因数の和:52336

約数の個数: 32

約数和(自身を含む): 52732512

約数和(自身を除く): 32330442

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52313, 104626, 156939, 261565, 313878, 523130, 680069, 784695, 1360138, 1569390, 2040207, 3400345, 4080414, 6800690, 10201035, 20402070]

約数ペア:

[(1, 20402070), (2, 10201035), (3, 6800690), (5, 4080414), (6, 3400345), (10, 2040207), (13, 1569390), (15, 1360138), (26, 784695), (30, 680069), (39, 523130), (65, 313878), (78, 261565), (130, 156939), (195, 104626), (390, 52313)]