20528035157

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{85133}}^1$

素因数の和:85210

約数の個数: 32

約数和(自身を含む): 25880736000

約数和(自身を除く): 5352700843

約数列:

[1, 7, 19, 37, 49, 133, 259, 343, 703, 931, 1813, 4921, 6517, 12691, 34447, 85133, 241129, 595931, 1617527, 3149921, 4171517, 11322689, 22049447, 29200619, 59848499, 79258823, 154346129, 418939493, 554811761, 1080422903, 2932576451, 20528035157]

約数ペア:

[(1, 20528035157), (7, 2932576451), (19, 1080422903), (37, 554811761), (49, 418939493), (133, 154346129), (259, 79258823), (343, 59848499), (703, 29200619), (931, 22049447), (1813, 11322689), (4921, 4171517), (6517, 3149921), (12691, 1617527), (34447, 595931), (85133, 241129)]