20299938

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{509}}^1$

素因数の和:571

約数の個数: 48

約数和(自身を含む): 45092160

約数和(自身を除く): 24792222

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 102, 138, 289, 391, 509, 578, 782, 867, 1018, 1173, 1527, 1734, 2346, 3054, 6647, 8653, 11707, 13294, 17306, 19941, 23414, 25959, 35121, 39882, 51918, 70242, 147101, 199019, 294202, 398038, 441303, 597057, 882606, 1194114, 3383323, 6766646, 10149969, 20299938]

約数ペア:

[(1, 20299938), (2, 10149969), (3, 6766646), (6, 3383323), (17, 1194114), (23, 882606), (34, 597057), (46, 441303), (51, 398038), (69, 294202), (102, 199019), (138, 147101), (289, 70242), (391, 51918), (509, 39882), (578, 35121), (782, 25959), (867, 23414), (1018, 19941), (1173, 17306), (1527, 13294), (1734, 11707), (2346, 8653), (3054, 6647)]