20758383

素因数分解:

$3^3\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 31852800

約数和(自身を除く): 11094417

約数列:

[1, 3, 9, 27, 59, 83, 157, 177, 249, 471, 531, 747, 1413, 1593, 2241, 4239, 4897, 9263, 13031, 14691, 27789, 39093, 44073, 83367, 117279, 132219, 250101, 351837, 768829, 2306487, 6919461, 20758383]

約数ペア:

[(1, 20758383), (3, 6919461), (9, 2306487), (27, 768829), (59, 351837), (83, 250101), (157, 132219), (177, 117279), (249, 83367), (471, 44073), (531, 39093), (747, 27789), (1413, 14691), (1593, 13031), (2241, 9263), (4239, 4897)]