20122209

素因数分解:

$3^3\times {\mathrm{317}}^1\times {\mathrm{2351}}^1$

素因数の和:2677

約数の個数: 16

約数和(自身を含む): 29917440

約数和(自身を除く): 9795231

約数列:

[1, 3, 9, 27, 317, 951, 2351, 2853, 7053, 8559, 21159, 63477, 745267, 2235801, 6707403, 20122209]

約数ペア:

[(1, 20122209), (3, 6707403), (9, 2235801), (27, 745267), (317, 63477), (951, 21159), (2351, 8559), (2853, 7053)]