20001455900

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{836881}}^1$

素因数の和:837134

約数の個数: 36

約数和(自身を含む): 43584814560

約数和(自身を除く): 23583358660

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 2390, 4780, 5975, 11950, 23900, 836881, 1673762, 3347524, 4184405, 8368810, 16737620, 20922025, 41844050, 83688100, 200014559, 400029118, 800058236, 1000072795, 2000145590, 4000291180, 5000363975, 10000727950, 20001455900]

約数ペア:

[(1, 20001455900), (2, 10000727950), (4, 5000363975), (5, 4000291180), (10, 2000145590), (20, 1000072795), (25, 800058236), (50, 400029118), (100, 200014559), (239, 83688100), (478, 41844050), (956, 20922025), (1195, 16737620), (2390, 8368810), (4780, 4184405), (5975, 3347524), (11950, 1673762), (23900, 836881)]