20996870451

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{19861}}^1$

素因数の和:20087

約数の個数: 32

約数和(自身を含む): 29259109440

約数和(自身を除く): 8262238989

約数列:

[1, 3, 53, 61, 109, 159, 183, 327, 3233, 5777, 6649, 9699, 17331, 19861, 19947, 59583, 352397, 1052633, 1057191, 1211521, 2164849, 3157899, 3634563, 6494547, 64210613, 114736997, 132055789, 192631839, 344210991, 396167367, 6998956817, 20996870451]

約数ペア:

[(1, 20996870451), (3, 6998956817), (53, 396167367), (61, 344210991), (109, 192631839), (159, 132055789), (183, 114736997), (327, 64210613), (3233, 6494547), (5777, 3634563), (6649, 3157899), (9699, 2164849), (17331, 1211521), (19861, 1057191), (19947, 1052633), (59583, 352397)]