20187172026

素因数分解:

$2^1\times 3^6\times 7^1\times {\mathrm{1977971}}^1$

素因数の和:1977998

約数の個数: 56

約数和(自身を含む): 51886161504

約数和(自身を除く): 31698989478

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 243, 378, 486, 567, 729, 1134, 1458, 1701, 3402, 5103, 10206, 1977971, 3955942, 5933913, 11867826, 13845797, 17801739, 27691594, 35603478, 41537391, 53405217, 83074782, 106810434, 124612173, 160215651, 249224346, 320431302, 373836519, 480646953, 747673038, 961293906, 1121509557, 1441940859, 2243019114, 2883881718, 3364528671, 6729057342, 10093586013, 20187172026]

約数ペア:

[(1, 20187172026), (2, 10093586013), (3, 6729057342), (6, 3364528671), (7, 2883881718), (9, 2243019114), (14, 1441940859), (18, 1121509557), (21, 961293906), (27, 747673038), (42, 480646953), (54, 373836519), (63, 320431302), (81, 249224346), (126, 160215651), (162, 124612173), (189, 106810434), (243, 83074782), (378, 53405217), (486, 41537391), (567, 35603478), (729, 27691594), (1134, 17801739), (1458, 13845797), (1701, 11867826), (3402, 5933913), (5103, 3955942), (10206, 1977971)]