20762217

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2969}}^1$

素因数の和:3022

約数の個数: 32

約数和(自身を含む): 36115200

約数和(自身を除く): 15352983

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 2969, 6993, 8907, 20783, 26721, 62349, 80163, 109853, 187047, 329559, 561141, 768971, 988677, 2306913, 2966031, 6920739, 20762217]

約数ペア:

[(1, 20762217), (3, 6920739), (7, 2966031), (9, 2306913), (21, 988677), (27, 768971), (37, 561141), (63, 329559), (111, 187047), (189, 109853), (259, 80163), (333, 62349), (777, 26721), (999, 20783), (2331, 8907), (2969, 6993)]