20915691270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{659}}^1\times {\mathrm{1057951}}^1$

素因数の和:1058620

約数の個数: 32

約数和(自身を含む): 50273879040

約数和(自身を除く): 29358187770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 659, 1318, 1977, 3295, 3954, 6590, 9885, 19770, 1057951, 2115902, 3173853, 5289755, 6347706, 10579510, 15869265, 31738530, 697189709, 1394379418, 2091569127, 3485948545, 4183138254, 6971897090, 10457845635, 20915691270]

約数ペア:

[(1, 20915691270), (2, 10457845635), (3, 6971897090), (5, 4183138254), (6, 3485948545), (10, 2091569127), (15, 1394379418), (30, 697189709), (659, 31738530), (1318, 15869265), (1977, 10579510), (3295, 6347706), (3954, 5289755), (6590, 3173853), (9885, 2115902), (19770, 1057951)]