20163896655

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{1831}}^1\times {\mathrm{14983}}^1$

素因数の和:16836

約数の個数: 48

約数和(自身を含む): 37552541184

約数和(自身を除く): 17388644529

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 1831, 5493, 9155, 12817, 14983, 27465, 38451, 44949, 64085, 74915, 89719, 104881, 192255, 224745, 269157, 314643, 448595, 524405, 734167, 1345785, 1573215, 2202501, 3670835, 11012505, 27433873, 82301619, 137169365, 192037111, 411508095, 576111333, 960185555, 1344259777, 2880556665, 4032779331, 6721298885, 20163896655]

約数ペア:

[(1, 20163896655), (3, 6721298885), (5, 4032779331), (7, 2880556665), (15, 1344259777), (21, 960185555), (35, 576111333), (49, 411508095), (105, 192037111), (147, 137169365), (245, 82301619), (735, 27433873), (1831, 11012505), (5493, 3670835), (9155, 2202501), (12817, 1573215), (14983, 1345785), (27465, 734167), (38451, 524405), (44949, 448595), (64085, 314643), (74915, 269157), (89719, 224745), (104881, 192255)]