2020691519

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1637}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 2853107712

約数和(自身を除く): 832416193

約数列:

[1, 7, 11, 17, 23, 41, 77, 119, 161, 187, 253, 287, 391, 451, 697, 943, 1309, 1637, 1771, 2737, 3157, 4301, 4879, 6601, 7667, 10373, 11459, 16031, 18007, 27829, 30107, 37651, 53669, 67117, 72611, 112217, 126049, 176341, 194803, 263557, 306119, 414161, 469819, 640067, 738287, 1140989, 1234387, 1543691, 2142833, 2899127, 4480469, 5168009, 7040737, 7986923, 10805837, 12550879, 16980601, 26242747, 49285159, 87856153, 118864207, 183699229, 288670217, 2020691519]

約数ペア:

[(1, 2020691519), (7, 288670217), (11, 183699229), (17, 118864207), (23, 87856153), (41, 49285159), (77, 26242747), (119, 16980601), (161, 12550879), (187, 10805837), (253, 7986923), (287, 7040737), (391, 5168009), (451, 4480469), (697, 2899127), (943, 2142833), (1309, 1543691), (1637, 1234387), (1771, 1140989), (2737, 738287), (3157, 640067), (4301, 469819), (4879, 414161), (6601, 306119), (7667, 263557), (10373, 194803), (11459, 176341), (16031, 126049), (18007, 112217), (27829, 72611), (30107, 67117), (37651, 53669)]