20347288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{1093}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 41353200

約数和(自身を除く): 21005912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179, 358, 716, 1093, 1432, 2186, 2327, 4372, 4654, 8744, 9308, 14209, 18616, 28418, 56836, 113672, 195647, 391294, 782588, 1565176, 2543411, 5086822, 10173644, 20347288]

約数ペア:

[(1, 20347288), (2, 10173644), (4, 5086822), (8, 2543411), (13, 1565176), (26, 782588), (52, 391294), (104, 195647), (179, 113672), (358, 56836), (716, 28418), (1093, 18616), (1432, 14209), (2186, 9308), (2327, 8744), (4372, 4654)]