20371533

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1051}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 33933312

約数和(自身を除く): 13561779

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1051, 1491, 2769, 3153, 6461, 7357, 13663, 19383, 22071, 40989, 74621, 95641, 223863, 286923, 522347, 970073, 1567041, 2910219, 6790511, 20371533]

約数ペア:

[(1, 20371533), (3, 6790511), (7, 2910219), (13, 1567041), (21, 970073), (39, 522347), (71, 286923), (91, 223863), (213, 95641), (273, 74621), (497, 40989), (923, 22071), (1051, 19383), (1491, 13663), (2769, 7357), (3153, 6461)]