20977353

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{367}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 32678400

約数和(自身を除く): 11701047

約数列:

[1, 3, 9, 27, 29, 73, 87, 219, 261, 367, 657, 783, 1101, 1971, 2117, 3303, 6351, 9909, 10643, 19053, 26791, 31929, 57159, 80373, 95787, 241119, 287361, 723357, 776939, 2330817, 6992451, 20977353]

約数ペア:

[(1, 20977353), (3, 6992451), (9, 2330817), (27, 776939), (29, 723357), (73, 287361), (87, 241119), (219, 95787), (261, 80373), (367, 57159), (657, 31929), (783, 26791), (1101, 19053), (1971, 10643), (2117, 9909), (3303, 6351)]