20290736

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{30931}}^1$

素因数の和:30980

約数の個数: 20

約数和(自身を含む): 40273464

約数和(自身を除く): 19982728

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 30931, 61862, 123724, 247448, 494896, 1268171, 2536342, 5072684, 10145368, 20290736]

約数ペア:

[(1, 20290736), (2, 10145368), (4, 5072684), (8, 2536342), (16, 1268171), (41, 494896), (82, 247448), (164, 123724), (328, 61862), (656, 30931)]