20404218140

素因数分解:

$2^2\times 5^1\times {\mathrm{11717}}^1\times {\mathrm{87071}}^1$

素因数の和:98797

約数の個数: 24

約数和(自身を含む): 42853007232

約数和(自身を除く): 22448789092

約数列:

[1, 2, 4, 5, 10, 20, 11717, 23434, 46868, 58585, 87071, 117170, 174142, 234340, 348284, 435355, 870710, 1741420, 1020210907, 2040421814, 4080843628, 5101054535, 10202109070, 20404218140]

約数ペア:

[(1, 20404218140), (2, 10202109070), (4, 5101054535), (5, 4080843628), (10, 2040421814), (20, 1020210907), (11717, 1741420), (23434, 870710), (46868, 435355), (58585, 348284), (87071, 234340), (117170, 174142)]