20664954

素因数分解:

$2^1\times 3^2\times {\mathrm{151}}^1\times {\mathrm{7603}}^1$

素因数の和:7762

約数の個数: 24

約数和(自身を含む): 45076512

約数和(自身を除く): 24411558

約数列:

[1, 2, 3, 6, 9, 18, 151, 302, 453, 906, 1359, 2718, 7603, 15206, 22809, 45618, 68427, 136854, 1148053, 2296106, 3444159, 6888318, 10332477, 20664954]

約数ペア:

[(1, 20664954), (2, 10332477), (3, 6888318), (6, 3444159), (9, 2296106), (18, 1148053), (151, 136854), (302, 68427), (453, 45618), (906, 22809), (1359, 15206), (2718, 7603)]