20684482

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3919}}^1$

素因数の和:3970

約数の個数: 32

約数和(自身を含む): 39513600

約数和(自身を除く): 18829118

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 91, 182, 203, 377, 406, 754, 2639, 3919, 5278, 7838, 27433, 50947, 54866, 101894, 113651, 227302, 356629, 713258, 795557, 1477463, 1591114, 2954926, 10342241, 20684482]

約数ペア:

[(1, 20684482), (2, 10342241), (7, 2954926), (13, 1591114), (14, 1477463), (26, 795557), (29, 713258), (58, 356629), (91, 227302), (182, 113651), (203, 101894), (377, 54866), (406, 50947), (754, 27433), (2639, 7838), (3919, 5278)]