20198971256

素因数分解:

$2^3\times {\mathrm{1823}}^1\times {\mathrm{1385009}}^1$

素因数の和:1386838

約数の個数: 16

約数和(自身を含む): 37893873600

約数和(自身を除く): 17694902344

約数列:

[1, 2, 4, 8, 1823, 3646, 7292, 14584, 1385009, 2770018, 5540036, 11080072, 2524871407, 5049742814, 10099485628, 20198971256]

約数ペア:

[(1, 20198971256), (2, 10099485628), (4, 5049742814), (8, 2524871407), (1823, 11080072), (3646, 5540036), (7292, 2770018), (14584, 1385009)]