20189701832

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{634577}}^1$

素因数の和:634721

約数の個数: 32

約数和(自身を含む): 39178845720

約数和(自身を除く): 18989143888

約数列:

[1, 2, 4, 8, 41, 82, 97, 164, 194, 328, 388, 776, 3977, 7954, 15908, 31816, 634577, 1269154, 2538308, 5076616, 26017657, 52035314, 61553969, 104070628, 123107938, 208141256, 246215876, 492431752, 2523712729, 5047425458, 10094850916, 20189701832]

約数ペア:

[(1, 20189701832), (2, 10094850916), (4, 5047425458), (8, 2523712729), (41, 492431752), (82, 246215876), (97, 208141256), (164, 123107938), (194, 104070628), (328, 61553969), (388, 52035314), (776, 26017657), (3977, 5076616), (7954, 2538308), (15908, 1269154), (31816, 634577)]