20384900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{8863}}^1$

素因数の和:8900

約数の個数: 36

約数和(自身を含む): 46163712

約数和(自身を除く): 25778812

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 8863, 17726, 35452, 44315, 88630, 177260, 203849, 221575, 407698, 443150, 815396, 886300, 1019245, 2038490, 4076980, 5096225, 10192450, 20384900]

約数ペア:

[(1, 20384900), (2, 10192450), (4, 5096225), (5, 4076980), (10, 2038490), (20, 1019245), (23, 886300), (25, 815396), (46, 443150), (50, 407698), (92, 221575), (100, 203849), (115, 177260), (230, 88630), (460, 44315), (575, 35452), (1150, 17726), (2300, 8863)]