20120003288

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{65719}}^1$

素因数の和:65821

約数の個数: 96

約数和(自身を含む): 48548678400

約数和(自身を除く): 28428675112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 71, 77, 88, 98, 142, 154, 196, 284, 308, 392, 497, 539, 568, 616, 781, 994, 1078, 1562, 1988, 2156, 3124, 3479, 3976, 4312, 5467, 6248, 6958, 10934, 13916, 21868, 27832, 38269, 43736, 65719, 76538, 131438, 153076, 262876, 306152, 460033, 525752, 722909, 920066, 1445818, 1840132, 2891636, 3220231, 3680264, 4666049, 5060363, 5783272, 6440462, 9332098, 10120726, 12880924, 18664196, 20241452, 25761848, 32662343, 35422541, 37328392, 40482904, 51326539, 65324686, 70845082, 102653078, 130649372, 141690164, 205306156, 228636401, 261298744, 283380328, 359285773, 410612312, 457272802, 718571546, 914545604, 1437143092, 1829091208, 2515000411, 2874286184, 5030000822, 10060001644, 20120003288]

約数ペア:

[(1, 20120003288), (2, 10060001644), (4, 5030000822), (7, 2874286184), (8, 2515000411), (11, 1829091208), (14, 1437143092), (22, 914545604), (28, 718571546), (44, 457272802), (49, 410612312), (56, 359285773), (71, 283380328), (77, 261298744), (88, 228636401), (98, 205306156), (142, 141690164), (154, 130649372), (196, 102653078), (284, 70845082), (308, 65324686), (392, 51326539), (497, 40482904), (539, 37328392), (568, 35422541), (616, 32662343), (781, 25761848), (994, 20241452), (1078, 18664196), (1562, 12880924), (1988, 10120726), (2156, 9332098), (3124, 6440462), (3479, 5783272), (3976, 5060363), (4312, 4666049), (5467, 3680264), (6248, 3220231), (6958, 2891636), (10934, 1840132), (13916, 1445818), (21868, 920066), (27832, 722909), (38269, 525752), (43736, 460033), (65719, 306152), (76538, 262876), (131438, 153076)]