20343560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29917}}^1$

素因数の和:29945

約数の個数: 32

約数和(自身を含む): 48467160

約数和(自身を除く): 28123600

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29917, 59834, 119668, 149585, 239336, 299170, 508589, 598340, 1017178, 1196680, 2034356, 2542945, 4068712, 5085890, 10171780, 20343560]

約数ペア:

[(1, 20343560), (2, 10171780), (4, 5085890), (5, 4068712), (8, 2542945), (10, 2034356), (17, 1196680), (20, 1017178), (34, 598340), (40, 508589), (68, 299170), (85, 239336), (136, 149585), (170, 119668), (340, 59834), (680, 29917)]