20271732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{653}}^1$

素因数の和:872

約数の個数: 48

約数和(自身を含む): 51273600

約数和(自身を除く): 31001868

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 199, 398, 597, 653, 796, 1194, 1306, 1959, 2388, 2587, 2612, 3918, 5174, 7761, 7836, 8489, 10348, 15522, 16978, 25467, 31044, 33956, 50934, 101868, 129947, 259894, 389841, 519788, 779682, 1559364, 1689311, 3378622, 5067933, 6757244, 10135866, 20271732]

約数ペア:

[(1, 20271732), (2, 10135866), (3, 6757244), (4, 5067933), (6, 3378622), (12, 1689311), (13, 1559364), (26, 779682), (39, 519788), (52, 389841), (78, 259894), (156, 129947), (199, 101868), (398, 50934), (597, 33956), (653, 31044), (796, 25467), (1194, 16978), (1306, 15522), (1959, 10348), (2388, 8489), (2587, 7836), (2612, 7761), (3918, 5174)]