20121053984

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{4523}}^1$

素因数の和:4690

約数の個数: 96

約数和(自身を含む): 41985687744

約数和(自身を除く): 21864633760

約数列:

[1, 2, 4, 8, 16, 32, 43, 53, 61, 86, 106, 122, 172, 212, 244, 344, 424, 488, 688, 848, 976, 1376, 1696, 1952, 2279, 2623, 3233, 4523, 4558, 5246, 6466, 9046, 9116, 10492, 12932, 18092, 18232, 20984, 25864, 36184, 36464, 41968, 51728, 72368, 72928, 83936, 103456, 139019, 144736, 194489, 239719, 275903, 278038, 388978, 479438, 551806, 556076, 777956, 958876, 1103612, 1112152, 1555912, 1917752, 2207224, 2224304, 3111824, 3835504, 4414448, 4448608, 6223648, 7671008, 8828896, 10307917, 11863829, 14622859, 20615834, 23727658, 29245718, 41231668, 47455316, 58491436, 82463336, 94910632, 116982872, 164926672, 189821264, 233965744, 329853344, 379642528, 467931488, 628782937, 1257565874, 2515131748, 5030263496, 10060526992, 20121053984]

約数ペア:

[(1, 20121053984), (2, 10060526992), (4, 5030263496), (8, 2515131748), (16, 1257565874), (32, 628782937), (43, 467931488), (53, 379642528), (61, 329853344), (86, 233965744), (106, 189821264), (122, 164926672), (172, 116982872), (212, 94910632), (244, 82463336), (344, 58491436), (424, 47455316), (488, 41231668), (688, 29245718), (848, 23727658), (976, 20615834), (1376, 14622859), (1696, 11863829), (1952, 10307917), (2279, 8828896), (2623, 7671008), (3233, 6223648), (4523, 4448608), (4558, 4414448), (5246, 3835504), (6466, 3111824), (9046, 2224304), (9116, 2207224), (10492, 1917752), (12932, 1555912), (18092, 1112152), (18232, 1103612), (20984, 958876), (25864, 777956), (36184, 556076), (36464, 551806), (41968, 479438), (51728, 388978), (72368, 278038), (72928, 275903), (83936, 239719), (103456, 194489), (139019, 144736)]