20120681691

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{321073}}^1$

素因数の和:321304

約数の個数: 32

約数和(自身を含む): 32672490240

約数和(自身を除く): 12551808549

約数列:

[1, 3, 9, 11, 27, 33, 99, 211, 297, 633, 1899, 2321, 5697, 6963, 20889, 62667, 321073, 963219, 2889657, 3531803, 8668971, 10595409, 31786227, 67746403, 95358681, 203239209, 609717627, 745210433, 1829152881, 2235631299, 6706893897, 20120681691]

約数ペア:

[(1, 20120681691), (3, 6706893897), (9, 2235631299), (11, 1829152881), (27, 745210433), (33, 609717627), (99, 203239209), (211, 95358681), (297, 67746403), (633, 31786227), (1899, 10595409), (2321, 8668971), (5697, 3531803), (6963, 2889657), (20889, 963219), (62667, 321073)]