20740804553

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{701}}^1\times {\mathrm{6337}}^1$

素因数の和:7097

約数の個数: 32

約数和(自身を含む): 25627829760

約数和(自身を除く): 4887025207

約数列:

[1, 7, 23, 29, 161, 203, 667, 701, 4669, 4907, 6337, 16123, 20329, 44359, 112861, 142303, 145751, 183773, 467567, 1020257, 1286411, 3272969, 4226779, 4442237, 29587453, 31095659, 102171451, 128824873, 715200157, 901774111, 2962972079, 20740804553]

約数ペア:

[(1, 20740804553), (7, 2962972079), (23, 901774111), (29, 715200157), (161, 128824873), (203, 102171451), (667, 31095659), (701, 29587453), (4669, 4442237), (4907, 4226779), (6337, 3272969), (16123, 1286411), (20329, 1020257), (44359, 467567), (112861, 183773), (142303, 145751)]