20179918017

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{146063}}^1$

素因数の和:146139

約数の個数: 64

約数和(自身を含む): 37018460160

約数和(自身を除く): 16838542143

約数列:

[1, 3, 7, 9, 17, 21, 27, 43, 51, 63, 119, 129, 153, 189, 301, 357, 387, 459, 731, 903, 1071, 1161, 2193, 2709, 3213, 5117, 6579, 8127, 15351, 19737, 46053, 138159, 146063, 438189, 1022441, 1314567, 2483071, 3067323, 3943701, 6280709, 7449213, 9201969, 17381497, 18842127, 22347639, 27605907, 43964963, 52144491, 56526381, 67042917, 106772053, 131894889, 156433473, 169579143, 320316159, 395684667, 469300419, 747404371, 960948477, 1187054001, 2242213113, 2882845431, 6726639339, 20179918017]

約数ペア:

[(1, 20179918017), (3, 6726639339), (7, 2882845431), (9, 2242213113), (17, 1187054001), (21, 960948477), (27, 747404371), (43, 469300419), (51, 395684667), (63, 320316159), (119, 169579143), (129, 156433473), (153, 131894889), (189, 106772053), (301, 67042917), (357, 56526381), (387, 52144491), (459, 43964963), (731, 27605907), (903, 22347639), (1071, 18842127), (1161, 17381497), (2193, 9201969), (2709, 7449213), (3213, 6280709), (5117, 3943701), (6579, 3067323), (8127, 2483071), (15351, 1314567), (19737, 1022441), (46053, 438189), (138159, 146063)]