20900913

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20431}}^1$

素因数の和:20476

約数の個数: 16

約数和(自身を含む): 31383552

約数和(自身を除く): 10482639

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 20431, 61293, 224741, 633361, 674223, 1900083, 6966971, 20900913]

約数ペア:

[(1, 20900913), (3, 6966971), (11, 1900083), (31, 674223), (33, 633361), (93, 224741), (341, 61293), (1023, 20431)]