20693478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{739}}^1$

素因数の和:1116

約数の個数: 32

約数和(自身を含む): 44755200

約数和(自身を除く): 24061722

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 359, 718, 739, 1077, 1478, 2154, 2217, 4434, 4667, 9334, 9607, 14001, 19214, 28002, 28821, 57642, 265301, 530602, 795903, 1591806, 3448913, 6897826, 10346739, 20693478]

約数ペア:

[(1, 20693478), (2, 10346739), (3, 6897826), (6, 3448913), (13, 1591806), (26, 795903), (39, 530602), (78, 265301), (359, 57642), (718, 28821), (739, 28002), (1077, 19214), (1478, 14001), (2154, 9607), (2217, 9334), (4434, 4667)]