20744190

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2777}}^1$

素因数の和:2873

約数の個数: 48

約数和(自身を含む): 54604368

約数和(自身を除く): 33860178

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 2777, 3735, 5554, 7470, 8331, 13885, 16662, 24993, 27770, 41655, 49986, 83310, 124965, 230491, 249930, 460982, 691473, 1152455, 1382946, 2074419, 2304910, 3457365, 4148838, 6914730, 10372095, 20744190]

約数ペア:

[(1, 20744190), (2, 10372095), (3, 6914730), (5, 4148838), (6, 3457365), (9, 2304910), (10, 2074419), (15, 1382946), (18, 1152455), (30, 691473), (45, 460982), (83, 249930), (90, 230491), (166, 124965), (249, 83310), (415, 49986), (498, 41655), (747, 27770), (830, 24993), (1245, 16662), (1494, 13885), (2490, 8331), (2777, 7470), (3735, 5554)]