20021496

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{419}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 35015304

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 181, 264, 362, 419, 543, 724, 838, 1086, 1257, 1448, 1676, 1991, 2172, 2514, 3352, 3982, 4344, 4609, 5028, 5973, 7964, 9218, 10056, 11946, 13827, 15928, 18436, 23892, 27654, 36872, 47784, 55308, 75839, 110616, 151678, 227517, 303356, 455034, 606712, 834229, 910068, 1668458, 1820136, 2502687, 3336916, 5005374, 6673832, 10010748, 20021496]

約数ペア:

[(1, 20021496), (2, 10010748), (3, 6673832), (4, 5005374), (6, 3336916), (8, 2502687), (11, 1820136), (12, 1668458), (22, 910068), (24, 834229), (33, 606712), (44, 455034), (66, 303356), (88, 227517), (132, 151678), (181, 110616), (264, 75839), (362, 55308), (419, 47784), (543, 36872), (724, 27654), (838, 23892), (1086, 18436), (1257, 15928), (1448, 13827), (1676, 11946), (1991, 10056), (2172, 9218), (2514, 7964), (3352, 5973), (3982, 5028), (4344, 4609)]