20109016

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{463}}^1$

素因数の和:619

約数の個数: 32

約数和(自身を含む): 38836800

約数和(自身を除く): 18727784

約数列:

[1, 2, 4, 8, 61, 89, 122, 178, 244, 356, 463, 488, 712, 926, 1852, 3704, 5429, 10858, 21716, 28243, 41207, 43432, 56486, 82414, 112972, 164828, 225944, 329656, 2513627, 5027254, 10054508, 20109016]

約数ペア:

[(1, 20109016), (2, 10054508), (4, 5027254), (8, 2513627), (61, 329656), (89, 225944), (122, 164828), (178, 112972), (244, 82414), (356, 56486), (463, 43432), (488, 41207), (712, 28243), (926, 21716), (1852, 10858), (3704, 5429)]