20104080381

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2213}}^1\times {\mathrm{13109}}^1$

素因数の和:15346

約数の個数: 48

約数和(自身を含む): 36223873920

約数和(自身を除く): 16119793539

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 2213, 6639, 13109, 15491, 19917, 24343, 39327, 46473, 73029, 91763, 117981, 139419, 144199, 170401, 219087, 275289, 432597, 511203, 825867, 1009393, 1297791, 1533609, 3028179, 9084537, 29010217, 87030651, 203071519, 261091953, 319112387, 609214557, 957337161, 1827643671, 2233786709, 2872011483, 6701360127, 20104080381]

約数ペア:

[(1, 20104080381), (3, 6701360127), (7, 2872011483), (9, 2233786709), (11, 1827643671), (21, 957337161), (33, 609214557), (63, 319112387), (77, 261091953), (99, 203071519), (231, 87030651), (693, 29010217), (2213, 9084537), (6639, 3028179), (13109, 1533609), (15491, 1297791), (19917, 1009393), (24343, 825867), (39327, 511203), (46473, 432597), (73029, 275289), (91763, 219087), (117981, 170401), (139419, 144199)]