20687514630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{689583821}}^1$

素因数の和:689583831

約数の個数: 16

約数和(自身を含む): 49650035184

約数和(自身を除く): 28962520554

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 689583821, 1379167642, 2068751463, 3447919105, 4137502926, 6895838210, 10343757315, 20687514630]

約数ペア:

[(1, 20687514630), (2, 10343757315), (3, 6895838210), (5, 4137502926), (6, 3447919105), (10, 2068751463), (15, 1379167642), (30, 689583821)]