20389968135

素因数分解:

$3^3\times 5^1\times {\mathrm{151036801}}^1$

素因数の和:151036815

約数の個数: 16

約数和(自身を含む): 36248832480

約数和(自身を除く): 15858864345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 151036801, 453110403, 755184005, 1359331209, 2265552015, 4077993627, 6796656045, 20389968135]

約数ペア:

[(1, 20389968135), (3, 6796656045), (5, 4077993627), (9, 2265552015), (15, 1359331209), (27, 755184005), (45, 453110403), (135, 151036801)]