20353761

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{4259}}^1$

素因数の和:4330

約数の個数: 20

約数和(自身を含む): 30927600

約数和(自身を除く): 10573839

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4259, 4779, 12777, 38331, 114993, 251281, 344979, 753843, 2261529, 6784587, 20353761]

約数ペア:

[(1, 20353761), (3, 6784587), (9, 2261529), (27, 753843), (59, 344979), (81, 251281), (177, 114993), (531, 38331), (1593, 12777), (4259, 4779)]