20940698

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{1579}}^1$

素因数の和:1949

約数の個数: 16

約数和(自身を含む): 33180000

約数和(自身を除く): 12239302

約数列:

[1, 2, 19, 38, 349, 698, 1579, 3158, 6631, 13262, 30001, 60002, 551071, 1102142, 10470349, 20940698]

約数ペア:

[(1, 20940698), (2, 10470349), (19, 1102142), (38, 551071), (349, 60002), (698, 30001), (1579, 13262), (3158, 6631)]