20160506871

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:258

約数の個数: 144

約数和(自身を含む): 33706632960

約数和(自身を除く): 13546126089

約数列:

[1, 3, 9, 19, 23, 43, 57, 69, 71, 73, 129, 171, 207, 213, 219, 387, 437, 529, 639, 657, 817, 989, 1311, 1349, 1387, 1587, 1633, 1679, 2451, 2967, 3053, 3139, 3933, 4047, 4161, 4761, 4899, 5037, 5183, 7353, 8901, 9159, 9417, 10051, 12141, 12483, 14697, 15111, 15549, 18791, 22747, 27477, 28251, 30153, 31027, 31901, 37559, 38617, 46647, 56373, 58007, 59641, 68241, 70219, 72197, 90459, 93081, 95703, 98477, 112677, 115851, 119209, 169119, 174021, 178923, 204723, 210657, 216591, 222869, 279243, 287109, 295431, 338031, 347553, 357627, 432193, 522063, 536769, 631971, 649773, 668607, 713621, 733723, 886293, 1072881, 1296579, 1334161, 1371743, 1615037, 1660531, 2005821, 2140863, 2201169, 2264971, 2741807, 3889737, 4002483, 4115229, 4234511, 4845111, 4981593, 5125987, 6422589, 6603507, 6794913, 8225421, 12007449, 12345687, 12703533, 14535333, 14944779, 15377961, 20384739, 24676263, 30685703, 31550089, 38110599, 46133883, 52094333, 92057109, 94650267, 97393753, 117897701, 156282999, 276171327, 283950801, 292181259, 353693103, 468848997, 876543777, 1061079309, 2240056319, 6720168957, 20160506871]

約数ペア:

[(1, 20160506871), (3, 6720168957), (9, 2240056319), (19, 1061079309), (23, 876543777), (43, 468848997), (57, 353693103), (69, 292181259), (71, 283950801), (73, 276171327), (129, 156282999), (171, 117897701), (207, 97393753), (213, 94650267), (219, 92057109), (387, 52094333), (437, 46133883), (529, 38110599), (639, 31550089), (657, 30685703), (817, 24676263), (989, 20384739), (1311, 15377961), (1349, 14944779), (1387, 14535333), (1587, 12703533), (1633, 12345687), (1679, 12007449), (2451, 8225421), (2967, 6794913), (3053, 6603507), (3139, 6422589), (3933, 5125987), (4047, 4981593), (4161, 4845111), (4761, 4234511), (4899, 4115229), (5037, 4002483), (5183, 3889737), (7353, 2741807), (8901, 2264971), (9159, 2201169), (9417, 2140863), (10051, 2005821), (12141, 1660531), (12483, 1615037), (14697, 1371743), (15111, 1334161), (15549, 1296579), (18791, 1072881), (22747, 886293), (27477, 733723), (28251, 713621), (30153, 668607), (31027, 649773), (31901, 631971), (37559, 536769), (38617, 522063), (46647, 432193), (56373, 357627), (58007, 347553), (59641, 338031), (68241, 295431), (70219, 287109), (72197, 279243), (90459, 222869), (93081, 216591), (95703, 210657), (98477, 204723), (112677, 178923), (115851, 174021), (119209, 169119)]