20064590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1297}}^1$

素因数の和:1341

約数の個数: 64

約数和(自身を含む): 47101824

約数和(自身を除く): 27037234

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1190, 1297, 1547, 2210, 2594, 3094, 6485, 7735, 9079, 12970, 15470, 16861, 18158, 22049, 33722, 44098, 45395, 84305, 90790, 110245, 118027, 154343, 168610, 220490, 236054, 286637, 308686, 573274, 590135, 771715, 1180270, 1433185, 1543430, 2006459, 2866370, 4012918, 10032295, 20064590]

約数ペア:

[(1, 20064590), (2, 10032295), (5, 4012918), (7, 2866370), (10, 2006459), (13, 1543430), (14, 1433185), (17, 1180270), (26, 771715), (34, 590135), (35, 573274), (65, 308686), (70, 286637), (85, 236054), (91, 220490), (119, 168610), (130, 154343), (170, 118027), (182, 110245), (221, 90790), (238, 84305), (442, 45395), (455, 44098), (595, 33722), (910, 22049), (1105, 18158), (1190, 16861), (1297, 15470), (1547, 12970), (2210, 9079), (2594, 7735), (3094, 6485)]