20420448910

素因数分解:

$2^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1889}}^1\times {\mathrm{3989}}^1$

素因数の和:6156

約数の個数: 32

約数和(自身を含む): 36921225600

約数和(自身を除く): 16500776690

約数列:

[1, 2, 5, 10, 271, 542, 1355, 1889, 2710, 3778, 3989, 7978, 9445, 18890, 19945, 39890, 511919, 1023838, 1081019, 2162038, 2559595, 5119190, 5405095, 7535221, 10810190, 15070442, 37676105, 75352210, 2042044891, 4084089782, 10210224455, 20420448910]

約数ペア:

[(1, 20420448910), (2, 10210224455), (5, 4084089782), (10, 2042044891), (271, 75352210), (542, 37676105), (1355, 15070442), (1889, 10810190), (2710, 7535221), (3778, 5405095), (3989, 5119190), (7978, 2559595), (9445, 2162038), (18890, 1081019), (19945, 1023838), (39890, 511919)]