20199805100

素因数分解:

$2^2\times 5^2\times {\mathrm{2909}}^1\times {\mathrm{69439}}^1$

素因数の和:72362

約数の個数: 36

約数和(自身を含む): 43849276800

約数和(自身を除く): 23649471700

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2909, 5818, 11636, 14545, 29090, 58180, 69439, 72725, 138878, 145450, 277756, 290900, 347195, 694390, 1388780, 1735975, 3471950, 6943900, 201998051, 403996102, 807992204, 1009990255, 2019980510, 4039961020, 5049951275, 10099902550, 20199805100]

約数ペア:

[(1, 20199805100), (2, 10099902550), (4, 5049951275), (5, 4039961020), (10, 2019980510), (20, 1009990255), (25, 807992204), (50, 403996102), (100, 201998051), (2909, 6943900), (5818, 3471950), (11636, 1735975), (14545, 1388780), (29090, 694390), (58180, 347195), (69439, 290900), (72725, 277756), (138878, 145450)]