20177577370

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1\times {\mathrm{547}}^1$

素因数の和:1303

約数の個数: 64

約数和(自身を含む): 37854086400

約数和(自身を除く): 17676509030

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 311, 409, 547, 622, 818, 1094, 1555, 2045, 2735, 3110, 4090, 5470, 9019, 11861, 15863, 18038, 23722, 31726, 45095, 59305, 79315, 90190, 118610, 127199, 158630, 170117, 223723, 254398, 340234, 447446, 635995, 850585, 1118615, 1271990, 1701170, 2237230, 3688771, 4933393, 6487967, 7377542, 9866786, 12975934, 18443855, 24666965, 32439835, 36887710, 49333930, 64879670, 69577853, 139155706, 347889265, 695778530, 2017757737, 4035515474, 10088788685, 20177577370]

約数ペア:

[(1, 20177577370), (2, 10088788685), (5, 4035515474), (10, 2017757737), (29, 695778530), (58, 347889265), (145, 139155706), (290, 69577853), (311, 64879670), (409, 49333930), (547, 36887710), (622, 32439835), (818, 24666965), (1094, 18443855), (1555, 12975934), (2045, 9866786), (2735, 7377542), (3110, 6487967), (4090, 4933393), (5470, 3688771), (9019, 2237230), (11861, 1701170), (15863, 1271990), (18038, 1118615), (23722, 850585), (31726, 635995), (45095, 447446), (59305, 340234), (79315, 254398), (90190, 223723), (118610, 170117), (127199, 158630)]