20793710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2339}}^1$

素因数の和:2480

約数の個数: 32

約数和(自身を含む): 43130880

約数和(自身を除く): 22337170

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 127, 254, 635, 889, 1270, 1778, 2339, 4445, 4678, 8890, 11695, 16373, 23390, 32746, 81865, 163730, 297053, 594106, 1485265, 2079371, 2970530, 4158742, 10396855, 20793710]

約数ペア:

[(1, 20793710), (2, 10396855), (5, 4158742), (7, 2970530), (10, 2079371), (14, 1485265), (35, 594106), (70, 297053), (127, 163730), (254, 81865), (635, 32746), (889, 23390), (1270, 16373), (1778, 11695), (2339, 8890), (4445, 4678)]