20812952

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{283}}^1\times {\mathrm{317}}^1$

素因数の和:635

約数の個数: 32

約数和(自身を含む): 40640400

約数和(自身を除く): 19827448

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 283, 317, 566, 634, 1132, 1268, 2264, 2536, 8207, 9193, 16414, 18386, 32828, 36772, 65656, 73544, 89711, 179422, 358844, 717688, 2601619, 5203238, 10406476, 20812952]

約数ペア:

[(1, 20812952), (2, 10406476), (4, 5203238), (8, 2601619), (29, 717688), (58, 358844), (116, 179422), (232, 89711), (283, 73544), (317, 65656), (566, 36772), (634, 32828), (1132, 18386), (1268, 16414), (2264, 9193), (2536, 8207)]