20985912

素因数分解:

$2^3\times 3^3\times {\mathrm{97157}}^1$

素因数の和:97172

約数の個数: 32

約数和(自身を含む): 58294800

約数和(自身を除く): 37308888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 97157, 194314, 291471, 388628, 582942, 777256, 874413, 1165884, 1748826, 2331768, 2623239, 3497652, 5246478, 6995304, 10492956, 20985912]

約数ペア:

[(1, 20985912), (2, 10492956), (3, 6995304), (4, 5246478), (6, 3497652), (8, 2623239), (9, 2331768), (12, 1748826), (18, 1165884), (24, 874413), (27, 777256), (36, 582942), (54, 388628), (72, 291471), (108, 194314), (216, 97157)]