20872518

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1036

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 22673082

約数列:

[1, 2, 3, 6, 29, 58, 87, 139, 174, 278, 417, 834, 863, 1726, 2589, 4031, 5178, 8062, 12093, 24186, 25027, 50054, 75081, 119957, 150162, 239914, 359871, 719742, 3478753, 6957506, 10436259, 20872518]

約数ペア:

[(1, 20872518), (2, 10436259), (3, 6957506), (6, 3478753), (29, 719742), (58, 359871), (87, 239914), (139, 150162), (174, 119957), (278, 75081), (417, 50054), (834, 25027), (863, 24186), (1726, 12093), (2589, 8062), (4031, 5178)]