20448807

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1$

素因数の和:535

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 10655193

約数列:

[1, 3, 17, 19, 47, 51, 57, 141, 323, 449, 799, 893, 969, 1347, 2397, 2679, 7633, 8531, 15181, 21103, 22899, 25593, 45543, 63309, 145027, 358751, 400957, 435081, 1076253, 1202871, 6816269, 20448807]

約数ペア:

[(1, 20448807), (3, 6816269), (17, 1202871), (19, 1076253), (47, 435081), (51, 400957), (57, 358751), (141, 145027), (323, 63309), (449, 45543), (799, 25593), (893, 22899), (969, 21103), (1347, 15181), (2397, 8531), (2679, 7633)]