20330440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39097}}^1$

素因数の和:39121

約数の個数: 32

約数和(自身を含む): 49263480

約数和(自身を除く): 28933040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 39097, 78194, 156388, 195485, 312776, 390970, 508261, 781940, 1016522, 1563880, 2033044, 2541305, 4066088, 5082610, 10165220, 20330440]

約数ペア:

[(1, 20330440), (2, 10165220), (4, 5082610), (5, 4066088), (8, 2541305), (10, 2033044), (13, 1563880), (20, 1016522), (26, 781940), (40, 508261), (52, 390970), (65, 312776), (104, 195485), (130, 156388), (260, 78194), (520, 39097)]