20803588455

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{571}}^1\times {\mathrm{727}}^1$

素因数の和:1576

約数の個数: 64

約数和(自身を含む): 36098270208

約数和(自身を除く): 15294681753

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 257, 571, 727, 771, 1285, 1713, 2181, 2855, 3341, 3635, 3855, 7423, 8565, 9451, 10023, 10905, 16705, 22269, 28353, 37115, 47255, 50115, 111345, 141765, 146747, 186839, 415117, 440241, 560517, 733735, 934195, 1245351, 1907711, 2075585, 2201205, 2428907, 2802585, 5396521, 5723133, 6226755, 7286721, 9538555, 12144535, 16189563, 26982605, 28615665, 36433605, 80947815, 106685069, 320055207, 533425345, 1386905897, 1600276035, 4160717691, 6934529485, 20803588455]

約数ペア:

[(1, 20803588455), (3, 6934529485), (5, 4160717691), (13, 1600276035), (15, 1386905897), (39, 533425345), (65, 320055207), (195, 106685069), (257, 80947815), (571, 36433605), (727, 28615665), (771, 26982605), (1285, 16189563), (1713, 12144535), (2181, 9538555), (2855, 7286721), (3341, 6226755), (3635, 5723133), (3855, 5396521), (7423, 2802585), (8565, 2428907), (9451, 2201205), (10023, 2075585), (10905, 1907711), (16705, 1245351), (22269, 934195), (28353, 733735), (37115, 560517), (47255, 440241), (50115, 415117), (111345, 186839), (141765, 146747)]