20459860

素因数分解:

$2^2\times 5^1\times {\mathrm{383}}^1\times {\mathrm{2671}}^1$

素因数の和:3063

約数の個数: 24

約数和(自身を含む): 43094016

約数和(自身を除く): 22634156

約数列:

[1, 2, 4, 5, 10, 20, 383, 766, 1532, 1915, 2671, 3830, 5342, 7660, 10684, 13355, 26710, 53420, 1022993, 2045986, 4091972, 5114965, 10229930, 20459860]

約数ペア:

[(1, 20459860), (2, 10229930), (4, 5114965), (5, 4091972), (10, 2045986), (20, 1022993), (383, 53420), (766, 26710), (1532, 13355), (1915, 10684), (2671, 7660), (3830, 5342)]