20923440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{87181}}^1$

素因数の和:87197

約数の個数: 40

約数和(自身を含む): 64863408

約数和(自身を除く): 43939968

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 87181, 174362, 261543, 348724, 435905, 523086, 697448, 871810, 1046172, 1307715, 1394896, 1743620, 2092344, 2615430, 3487240, 4184688, 5230860, 6974480, 10461720, 20923440]

約数ペア:

[(1, 20923440), (2, 10461720), (3, 6974480), (4, 5230860), (5, 4184688), (6, 3487240), (8, 2615430), (10, 2092344), (12, 1743620), (15, 1394896), (16, 1307715), (20, 1046172), (24, 871810), (30, 697448), (40, 523086), (48, 435905), (60, 348724), (80, 261543), (120, 174362), (240, 87181)]