20773773

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{617}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 32630400

約数和(自身を除く): 11856627

約数列:

[1, 3, 9, 27, 29, 43, 87, 129, 261, 387, 617, 783, 1161, 1247, 1851, 3741, 5553, 11223, 16659, 17893, 26531, 33669, 53679, 79593, 161037, 238779, 483111, 716337, 769399, 2308197, 6924591, 20773773]

約数ペア:

[(1, 20773773), (3, 6924591), (9, 2308197), (27, 769399), (29, 716337), (43, 483111), (87, 238779), (129, 161037), (261, 79593), (387, 53679), (617, 33669), (783, 26531), (1161, 17893), (1247, 16659), (1851, 11223), (3741, 5553)]