20565862551

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{2221}}^1$

素因数の和:2334

約数の個数: 128

約数和(自身を含む): 36314234880

約数和(自身を除く): 15748372329

約数列:

[1, 3, 9, 13, 23, 27, 31, 37, 39, 69, 93, 111, 117, 207, 279, 299, 333, 351, 403, 481, 621, 713, 837, 851, 897, 999, 1147, 1209, 1443, 2139, 2221, 2553, 2691, 3441, 3627, 4329, 6417, 6663, 7659, 8073, 9269, 10323, 10881, 11063, 12987, 14911, 19251, 19989, 22977, 26381, 27807, 28873, 30969, 33189, 44733, 51083, 59967, 68851, 79143, 82177, 83421, 86619, 99567, 134199, 153249, 206553, 237429, 246531, 250263, 259857, 298701, 342953, 402597, 459747, 619659, 664079, 712287, 739593, 779571, 895063, 1028859, 1068301, 1379241, 1583573, 1858977, 1890071, 1992237, 2218779, 2547487, 2685189, 3086577, 3204903, 4750719, 5670213, 5976711, 7642461, 8055567, 9259731, 9614709, 14252157, 17010639, 17930133, 20586449, 22927383, 24166701, 24570923, 28844127, 33117331, 42756471, 51031917, 58592201, 61759347, 68782149, 73712769, 99351993, 175776603, 185278041, 221138307, 298055979, 527329809, 555834123, 663414921, 761698613, 894167937, 1581989427, 2285095839, 6855287517, 20565862551]

約数ペア:

[(1, 20565862551), (3, 6855287517), (9, 2285095839), (13, 1581989427), (23, 894167937), (27, 761698613), (31, 663414921), (37, 555834123), (39, 527329809), (69, 298055979), (93, 221138307), (111, 185278041), (117, 175776603), (207, 99351993), (279, 73712769), (299, 68782149), (333, 61759347), (351, 58592201), (403, 51031917), (481, 42756471), (621, 33117331), (713, 28844127), (837, 24570923), (851, 24166701), (897, 22927383), (999, 20586449), (1147, 17930133), (1209, 17010639), (1443, 14252157), (2139, 9614709), (2221, 9259731), (2553, 8055567), (2691, 7642461), (3441, 5976711), (3627, 5670213), (4329, 4750719), (6417, 3204903), (6663, 3086577), (7659, 2685189), (8073, 2547487), (9269, 2218779), (10323, 1992237), (10881, 1890071), (11063, 1858977), (12987, 1583573), (14911, 1379241), (19251, 1068301), (19989, 1028859), (22977, 895063), (26381, 779571), (27807, 739593), (28873, 712287), (30969, 664079), (33189, 619659), (44733, 459747), (51083, 402597), (59967, 342953), (68851, 298701), (79143, 259857), (82177, 250263), (83421, 246531), (86619, 237429), (99567, 206553), (134199, 153249)]