20236862961

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{571}}^1$

素因数の和:904

約数の個数: 128

約数和(自身を含む): 37111726080

約数和(自身を除く): 16874863119

約数列:

[1, 3, 7, 9, 21, 23, 27, 31, 63, 69, 93, 161, 189, 207, 217, 263, 279, 483, 571, 621, 651, 713, 789, 837, 1449, 1713, 1841, 1953, 2139, 2367, 3997, 4347, 4991, 5139, 5523, 5859, 6049, 6417, 7101, 8153, 11991, 13133, 14973, 15417, 16569, 17701, 18147, 19251, 24459, 35973, 39399, 42343, 44919, 49707, 53103, 54441, 57071, 73377, 91931, 107919, 118197, 123907, 127029, 134757, 150173, 159309, 163323, 171213, 187519, 220131, 275793, 354591, 371721, 381087, 407123, 450519, 477927, 513639, 562557, 827379, 1051211, 1115163, 1143261, 1221369, 1312633, 1351557, 1540917, 1687671, 2482137, 2849861, 3153633, 3345489, 3453979, 3664107, 3937899, 4054671, 4655363, 5063013, 8549583, 9460899, 10361937, 10992321, 11813697, 13966089, 24177853, 25648749, 28382697, 31085811, 32587541, 35441091, 41898267, 72533559, 76946247, 93257433, 97762623, 107073349, 125694801, 217600677, 293287869, 321220047, 652802031, 749513443, 879863607, 963660141, 2248540329, 2890980423, 6745620987, 20236862961]

約数ペア:

[(1, 20236862961), (3, 6745620987), (7, 2890980423), (9, 2248540329), (21, 963660141), (23, 879863607), (27, 749513443), (31, 652802031), (63, 321220047), (69, 293287869), (93, 217600677), (161, 125694801), (189, 107073349), (207, 97762623), (217, 93257433), (263, 76946247), (279, 72533559), (483, 41898267), (571, 35441091), (621, 32587541), (651, 31085811), (713, 28382697), (789, 25648749), (837, 24177853), (1449, 13966089), (1713, 11813697), (1841, 10992321), (1953, 10361937), (2139, 9460899), (2367, 8549583), (3997, 5063013), (4347, 4655363), (4991, 4054671), (5139, 3937899), (5523, 3664107), (5859, 3453979), (6049, 3345489), (6417, 3153633), (7101, 2849861), (8153, 2482137), (11991, 1687671), (13133, 1540917), (14973, 1351557), (15417, 1312633), (16569, 1221369), (17701, 1143261), (18147, 1115163), (19251, 1051211), (24459, 827379), (35973, 562557), (39399, 513639), (42343, 477927), (44919, 450519), (49707, 407123), (53103, 381087), (54441, 371721), (57071, 354591), (73377, 275793), (91931, 220131), (107919, 187519), (118197, 171213), (123907, 163323), (127029, 159309), (134757, 150173)]