20137588443

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{255511}}^1$

素因数の和:255669

約数の個数: 40

約数和(自身を含む): 34626986240

約数和(自身を除く): 14489397797

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 189, 417, 567, 973, 1251, 2919, 3753, 8757, 11259, 26271, 78813, 255511, 766533, 1788577, 2299599, 5365731, 6898797, 16097193, 20696391, 35516029, 48291579, 106548087, 144874737, 248612203, 319644261, 745836609, 958932783, 2237509827, 2876798349, 6712529481, 20137588443]

約数ペア:

[(1, 20137588443), (3, 6712529481), (7, 2876798349), (9, 2237509827), (21, 958932783), (27, 745836609), (63, 319644261), (81, 248612203), (139, 144874737), (189, 106548087), (417, 48291579), (567, 35516029), (973, 20696391), (1251, 16097193), (2919, 6898797), (3753, 5365731), (8757, 2299599), (11259, 1788577), (26271, 766533), (78813, 255511)]