22869860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{87961}}^1$

素因数の和:87983

約数の個数: 24

約数和(自身を含む): 51721656

約数和(自身を除く): 28851796

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 87961, 175922, 351844, 439805, 879610, 1143493, 1759220, 2286986, 4573972, 5717465, 11434930, 22869860]

約数ペア:

[(1, 22869860), (2, 11434930), (4, 5717465), (5, 4573972), (10, 2286986), (13, 1759220), (20, 1143493), (26, 879610), (52, 439805), (65, 351844), (130, 175922), (260, 87961)]