20402656

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1459}}^1$

素因数の和:1511

約数の個数: 48

約数和(自身を含む): 44150400

約数和(自身を除く): 23747744

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 92, 152, 184, 304, 368, 437, 608, 736, 874, 1459, 1748, 2918, 3496, 5836, 6992, 11672, 13984, 23344, 27721, 33557, 46688, 55442, 67114, 110884, 134228, 221768, 268456, 443536, 536912, 637583, 887072, 1073824, 1275166, 2550332, 5100664, 10201328, 20402656]

約数ペア:

[(1, 20402656), (2, 10201328), (4, 5100664), (8, 2550332), (16, 1275166), (19, 1073824), (23, 887072), (32, 637583), (38, 536912), (46, 443536), (76, 268456), (92, 221768), (152, 134228), (184, 110884), (304, 67114), (368, 55442), (437, 46688), (608, 33557), (736, 27721), (874, 23344), (1459, 13984), (1748, 11672), (2918, 6992), (3496, 5836)]