20466351

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:285

約数の個数: 40

約数和(自身を含む): 32931360

約数和(自身を除く): 12465009

約数列:

[1, 3, 9, 17, 27, 51, 81, 89, 153, 167, 267, 459, 501, 801, 1377, 1503, 1513, 2403, 2839, 4509, 4539, 7209, 8517, 13527, 13617, 14863, 25551, 40851, 44589, 76653, 122553, 133767, 229959, 252671, 401301, 758013, 1203903, 2274039, 6822117, 20466351]

約数ペア:

[(1, 20466351), (3, 6822117), (9, 2274039), (17, 1203903), (27, 758013), (51, 401301), (81, 252671), (89, 229959), (153, 133767), (167, 122553), (267, 76653), (459, 44589), (501, 40851), (801, 25551), (1377, 14863), (1503, 13617), (1513, 13527), (2403, 8517), (2839, 7209), (4509, 4539)]