20663748

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{3037}}^1$

素因数の和:3063

約数の個数: 72

約数和(自身を含む): 61926592

約数和(自身を除く): 41262844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 3037, 3402, 6074, 6804, 9111, 12148, 18222, 21259, 27333, 36444, 42518, 54666, 63777, 81999, 85036, 109332, 127554, 163998, 191331, 245997, 255108, 327996, 382662, 491994, 573993, 737991, 765324, 983988, 1147986, 1475982, 1721979, 2295972, 2951964, 3443958, 5165937, 6887916, 10331874, 20663748]

約数ペア:

[(1, 20663748), (2, 10331874), (3, 6887916), (4, 5165937), (6, 3443958), (7, 2951964), (9, 2295972), (12, 1721979), (14, 1475982), (18, 1147986), (21, 983988), (27, 765324), (28, 737991), (36, 573993), (42, 491994), (54, 382662), (63, 327996), (81, 255108), (84, 245997), (108, 191331), (126, 163998), (162, 127554), (189, 109332), (243, 85036), (252, 81999), (324, 63777), (378, 54666), (486, 42518), (567, 36444), (756, 27333), (972, 21259), (1134, 18222), (1701, 12148), (2268, 9111), (3037, 6804), (3402, 6074)]