20163902172

素因数分解:

$2^2\times 3^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{518779}}^1$

素因数の和:518906

約数の個数: 48

約数和(自身を含む): 48806822400

約数和(自身を除く): 28642920228

約数列:

[1, 2, 3, 4, 6, 12, 41, 79, 82, 123, 158, 164, 237, 246, 316, 474, 492, 948, 3239, 6478, 9717, 12956, 19434, 38868, 518779, 1037558, 1556337, 2075116, 3112674, 6225348, 21269939, 40983541, 42539878, 63809817, 81967082, 85079756, 122950623, 127619634, 163934164, 245901246, 255239268, 491802492, 1680325181, 3360650362, 5040975543, 6721300724, 10081951086, 20163902172]

約数ペア:

[(1, 20163902172), (2, 10081951086), (3, 6721300724), (4, 5040975543), (6, 3360650362), (12, 1680325181), (41, 491802492), (79, 255239268), (82, 245901246), (123, 163934164), (158, 127619634), (164, 122950623), (237, 85079756), (246, 81967082), (316, 63809817), (474, 42539878), (492, 40983541), (948, 21269939), (3239, 6225348), (6478, 3112674), (9717, 2075116), (12956, 1556337), (19434, 1037558), (38868, 518779)]