20870896

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{22109}}^1$

素因数の和:22176

約数の個数: 20

約数和(自身を含む): 41124600

約数和(自身を除く): 20253704

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 22109, 44218, 88436, 176872, 353744, 1304431, 2608862, 5217724, 10435448, 20870896]

約数ペア:

[(1, 20870896), (2, 10435448), (4, 5217724), (8, 2608862), (16, 1304431), (59, 353744), (118, 176872), (236, 88436), (472, 44218), (944, 22109)]