20628198

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{16141}}^1$

素因数の和:16220

約数の個数: 24

約数和(自身を含む): 45326736

約数和(自身を除く): 24698538

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 16141, 32282, 48423, 96846, 145269, 290538, 1146011, 2292022, 3438033, 6876066, 10314099, 20628198]

約数ペア:

[(1, 20628198), (2, 10314099), (3, 6876066), (6, 3438033), (9, 2292022), (18, 1146011), (71, 290538), (142, 145269), (213, 96846), (426, 48423), (639, 32282), (1278, 16141)]