20724976

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{19333}}^1$

素因数の和:19408

約数の個数: 20

約数和(自身を含む): 40756072

約数和(自身を除く): 20031096

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 19333, 38666, 77332, 154664, 309328, 1295311, 2590622, 5181244, 10362488, 20724976]

約数ペア:

[(1, 20724976), (2, 10362488), (4, 5181244), (8, 2590622), (16, 1295311), (67, 309328), (134, 154664), (268, 77332), (536, 38666), (1072, 19333)]