20112810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 51038208

約数和(自身を除く): 30925398

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 103, 115, 138, 206, 230, 283, 309, 345, 515, 566, 618, 690, 849, 1030, 1415, 1545, 1698, 2369, 2830, 3090, 4245, 4738, 6509, 7107, 8490, 11845, 13018, 14214, 19527, 23690, 29149, 32545, 35535, 39054, 58298, 65090, 71070, 87447, 97635, 145745, 174894, 195270, 291490, 437235, 670427, 874470, 1340854, 2011281, 3352135, 4022562, 6704270, 10056405, 20112810]

約数ペア:

[(1, 20112810), (2, 10056405), (3, 6704270), (5, 4022562), (6, 3352135), (10, 2011281), (15, 1340854), (23, 874470), (30, 670427), (46, 437235), (69, 291490), (103, 195270), (115, 174894), (138, 145745), (206, 97635), (230, 87447), (283, 71070), (309, 65090), (345, 58298), (515, 39054), (566, 35535), (618, 32545), (690, 29149), (849, 23690), (1030, 19527), (1415, 14214), (1545, 13018), (1698, 11845), (2369, 8490), (2830, 7107), (3090, 6509), (4245, 4738)]