20777725648

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{859}}^1\times {\mathrm{65729}}^1$

素因数の和:66619

約数の個数: 40

約数和(自身を含む): 42056683200

約数和(自身を除く): 21278957552

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 859, 1718, 3436, 6872, 13744, 19757, 39514, 65729, 79028, 131458, 158056, 262916, 316112, 525832, 1051664, 1511767, 3023534, 6047068, 12094136, 24188272, 56461211, 112922422, 225844844, 451689688, 903379376, 1298607853, 2597215706, 5194431412, 10388862824, 20777725648]

約数ペア:

[(1, 20777725648), (2, 10388862824), (4, 5194431412), (8, 2597215706), (16, 1298607853), (23, 903379376), (46, 451689688), (92, 225844844), (184, 112922422), (368, 56461211), (859, 24188272), (1718, 12094136), (3436, 6047068), (6872, 3023534), (13744, 1511767), (19757, 1051664), (39514, 525832), (65729, 316112), (79028, 262916), (131458, 158056)]