2020797860

素因数分解:

$2^2\times 5^1\times {\mathrm{3517}}^1\times {\mathrm{28729}}^1$

素因数の和:32255

約数の個数: 24

約数和(自身を含む): 4245029880

約数和(自身を除く): 2224232020

約数列:

[1, 2, 4, 5, 10, 20, 3517, 7034, 14068, 17585, 28729, 35170, 57458, 70340, 114916, 143645, 287290, 574580, 101039893, 202079786, 404159572, 505199465, 1010398930, 2020797860]

約数ペア:

[(1, 2020797860), (2, 1010398930), (4, 505199465), (5, 404159572), (10, 202079786), (20, 101039893), (3517, 574580), (7034, 287290), (14068, 143645), (17585, 114916), (28729, 70340), (35170, 57458)]