20085184427

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{827}}^1$

素因数の和:1057

約数の個数: 64

約数和(自身を含む): 26374118400

約数和(自身を除く): 6288933973

約数列:

[1, 7, 11, 41, 49, 77, 157, 287, 343, 451, 539, 827, 1099, 1727, 2009, 3157, 3773, 5789, 6437, 7693, 9097, 12089, 14063, 22099, 33907, 40523, 45059, 53851, 63679, 70807, 84623, 129839, 154693, 237349, 283661, 315413, 372977, 445753, 495649, 592361, 908873, 1428229, 1661443, 2207891, 2610839, 3120271, 3469543, 5323399, 6362111, 9997603, 11630101, 18275873, 24286801, 37263793, 44534777, 58557389, 69983221, 127931111, 260846551, 409901723, 489882547, 1825925857, 2869312061, 20085184427]

約数ペア:

[(1, 20085184427), (7, 2869312061), (11, 1825925857), (41, 489882547), (49, 409901723), (77, 260846551), (157, 127931111), (287, 69983221), (343, 58557389), (451, 44534777), (539, 37263793), (827, 24286801), (1099, 18275873), (1727, 11630101), (2009, 9997603), (3157, 6362111), (3773, 5323399), (5789, 3469543), (6437, 3120271), (7693, 2610839), (9097, 2207891), (12089, 1661443), (14063, 1428229), (22099, 908873), (33907, 592361), (40523, 495649), (45059, 445753), (53851, 372977), (63679, 315413), (70807, 283661), (84623, 237349), (129839, 154693)]