20054840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{38567}}^1$

素因数の和:38591

約数の個数: 32

約数和(自身を含む): 48595680

約数和(自身を除く): 28540840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 38567, 77134, 154268, 192835, 308536, 385670, 501371, 771340, 1002742, 1542680, 2005484, 2506855, 4010968, 5013710, 10027420, 20054840]

約数ペア:

[(1, 20054840), (2, 10027420), (4, 5013710), (5, 4010968), (8, 2506855), (10, 2005484), (13, 1542680), (20, 1002742), (26, 771340), (40, 501371), (52, 385670), (65, 308536), (104, 192835), (130, 154268), (260, 77134), (520, 38567)]