20992028

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{1193}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 37911888

約数和(自身を除く): 16919860

約数列:

[1, 2, 4, 53, 83, 106, 166, 212, 332, 1193, 2386, 4399, 4772, 8798, 17596, 63229, 99019, 126458, 198038, 252916, 396076, 5248007, 10496014, 20992028]

約数ペア:

[(1, 20992028), (2, 10496014), (4, 5248007), (53, 396076), (83, 252916), (106, 198038), (166, 126458), (212, 99019), (332, 63229), (1193, 17596), (2386, 8798), (4399, 4772)]