20968992

素因数分解:

$2^5\times 3^2\times {\mathrm{11}}^1\times {\mathrm{6619}}^1$

素因数の和:6646

約数の個数: 72

約数和(自身を含む): 65061360

約数和(自身を除く): 44092368

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 32, 33, 36, 44, 48, 66, 72, 88, 96, 99, 132, 144, 176, 198, 264, 288, 352, 396, 528, 792, 1056, 1584, 3168, 6619, 13238, 19857, 26476, 39714, 52952, 59571, 72809, 79428, 105904, 119142, 145618, 158856, 211808, 218427, 238284, 291236, 317712, 436854, 476568, 582472, 635424, 655281, 873708, 953136, 1164944, 1310562, 1747416, 1906272, 2329888, 2621124, 3494832, 5242248, 6989664, 10484496, 20968992]

約数ペア:

[(1, 20968992), (2, 10484496), (3, 6989664), (4, 5242248), (6, 3494832), (8, 2621124), (9, 2329888), (11, 1906272), (12, 1747416), (16, 1310562), (18, 1164944), (22, 953136), (24, 873708), (32, 655281), (33, 635424), (36, 582472), (44, 476568), (48, 436854), (66, 317712), (72, 291236), (88, 238284), (96, 218427), (99, 211808), (132, 158856), (144, 145618), (176, 119142), (198, 105904), (264, 79428), (288, 72809), (352, 59571), (396, 52952), (528, 39714), (792, 26476), (1056, 19857), (1584, 13238), (3168, 6619)]