20996316

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1433}}^1$

素因数の和:1491

約数の個数: 72

約数和(自身を含む): 59505264

約数和(自身を除く): 38508948

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1332, 1433, 1628, 2442, 2866, 3663, 4299, 4884, 5732, 7326, 8598, 12897, 14652, 15763, 17196, 25794, 31526, 47289, 51588, 53021, 63052, 94578, 106042, 141867, 159063, 189156, 212084, 283734, 318126, 477189, 567468, 583231, 636252, 954378, 1166462, 1749693, 1908756, 2332924, 3499386, 5249079, 6998772, 10498158, 20996316]

約数ペア:

[(1, 20996316), (2, 10498158), (3, 6998772), (4, 5249079), (6, 3499386), (9, 2332924), (11, 1908756), (12, 1749693), (18, 1166462), (22, 954378), (33, 636252), (36, 583231), (37, 567468), (44, 477189), (66, 318126), (74, 283734), (99, 212084), (111, 189156), (132, 159063), (148, 141867), (198, 106042), (222, 94578), (333, 63052), (396, 53021), (407, 51588), (444, 47289), (666, 31526), (814, 25794), (1221, 17196), (1332, 15763), (1433, 14652), (1628, 12897), (2442, 8598), (2866, 7326), (3663, 5732), (4299, 4884)]