20788164

素因数分解:

$2^2\times 3^6\times {\mathrm{7129}}^1$

素因数の和:7151

約数の個数: 42

約数和(自身を含む): 54551630

約数和(自身を除く): 33763466

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 7129, 14258, 21387, 28516, 42774, 64161, 85548, 128322, 192483, 256644, 384966, 577449, 769932, 1154898, 1732347, 2309796, 3464694, 5197041, 6929388, 10394082, 20788164]

約数ペア:

[(1, 20788164), (2, 10394082), (3, 6929388), (4, 5197041), (6, 3464694), (9, 2309796), (12, 1732347), (18, 1154898), (27, 769932), (36, 577449), (54, 384966), (81, 256644), (108, 192483), (162, 128322), (243, 85548), (324, 64161), (486, 42774), (729, 28516), (972, 21387), (1458, 14258), (2916, 7129)]