20663244

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{167}}^1\times {\mathrm{491}}^1$

素因数の和:675

約数の個数: 72

約数和(自身を含む): 60173568

約数和(自身を除く): 39510324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 167, 252, 334, 491, 501, 668, 982, 1002, 1169, 1473, 1503, 1964, 2004, 2338, 2946, 3006, 3437, 3507, 4419, 4676, 5892, 6012, 6874, 7014, 8838, 10311, 10521, 13748, 14028, 17676, 20622, 21042, 30933, 41244, 42084, 61866, 81997, 123732, 163994, 245991, 327988, 491982, 573979, 737973, 983964, 1147958, 1475946, 1721937, 2295916, 2951892, 3443874, 5165811, 6887748, 10331622, 20663244]

約数ペア:

[(1, 20663244), (2, 10331622), (3, 6887748), (4, 5165811), (6, 3443874), (7, 2951892), (9, 2295916), (12, 1721937), (14, 1475946), (18, 1147958), (21, 983964), (28, 737973), (36, 573979), (42, 491982), (63, 327988), (84, 245991), (126, 163994), (167, 123732), (252, 81997), (334, 61866), (491, 42084), (501, 41244), (668, 30933), (982, 21042), (1002, 20622), (1169, 17676), (1473, 14028), (1503, 13748), (1964, 10521), (2004, 10311), (2338, 8838), (2946, 7014), (3006, 6874), (3437, 6012), (3507, 5892), (4419, 4676)]