20959530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{1621}}^1$

素因数の和:2062

約数の個数: 32

約数和(自身を含む): 50450688

約数和(自身を除く): 29491158

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 431, 862, 1293, 1621, 2155, 2586, 3242, 4310, 4863, 6465, 8105, 9726, 12930, 16210, 24315, 48630, 698651, 1397302, 2095953, 3493255, 4191906, 6986510, 10479765, 20959530]

約数ペア:

[(1, 20959530), (2, 10479765), (3, 6986510), (5, 4191906), (6, 3493255), (10, 2095953), (15, 1397302), (30, 698651), (431, 48630), (862, 24315), (1293, 16210), (1621, 12930), (2155, 9726), (2586, 8105), (3242, 6465), (4310, 4863)]