20679952

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{191}}^1$

素因数の和:367

約数の個数: 40

約数和(自身を含む): 41283072

約数和(自身を除く): 20603120

約数列:

[1, 2, 4, 8, 16, 67, 101, 134, 191, 202, 268, 382, 404, 536, 764, 808, 1072, 1528, 1616, 3056, 6767, 12797, 13534, 19291, 25594, 27068, 38582, 51188, 54136, 77164, 102376, 108272, 154328, 204752, 308656, 1292497, 2584994, 5169988, 10339976, 20679952]

約数ペア:

[(1, 20679952), (2, 10339976), (4, 5169988), (8, 2584994), (16, 1292497), (67, 308656), (101, 204752), (134, 154328), (191, 108272), (202, 102376), (268, 77164), (382, 54136), (404, 51188), (536, 38582), (764, 27068), (808, 25594), (1072, 19291), (1528, 13534), (1616, 12797), (3056, 6767)]