20216742020

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7378373}}^1$

素因数の和:7378519

約数の個数: 24

約数和(自身を含む): 42765055704

約数和(自身を除く): 22548313684

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 7378373, 14756746, 29513492, 36891865, 73783730, 147567460, 1010837101, 2021674202, 4043348404, 5054185505, 10108371010, 20216742020]

約数ペア:

[(1, 20216742020), (2, 10108371010), (4, 5054185505), (5, 4043348404), (10, 2021674202), (20, 1010837101), (137, 147567460), (274, 73783730), (548, 36891865), (685, 29513492), (1370, 14756746), (2740, 7378373)]