20984968

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{138059}}^1$

素因数の和:138084

約数の個数: 16

約数和(自身を含む): 41418000

約数和(自身を除く): 20433032

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 138059, 276118, 552236, 1104472, 2623121, 5246242, 10492484, 20984968]

約数ペア:

[(1, 20984968), (2, 10492484), (4, 5246242), (8, 2623121), (19, 1104472), (38, 552236), (76, 276118), (152, 138059)]