20663496

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{5857}}^1$

素因数の和:5883

約数の個数: 72

約数和(自身を含む): 65111670

約数和(自身を除く): 44448174

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 392, 441, 504, 588, 882, 1176, 1764, 3528, 5857, 11714, 17571, 23428, 35142, 40999, 46856, 52713, 70284, 81998, 105426, 122997, 140568, 163996, 210852, 245994, 286993, 327992, 368991, 421704, 491988, 573986, 737982, 860979, 983976, 1147972, 1475964, 1721958, 2295944, 2582937, 2951928, 3443916, 5165874, 6887832, 10331748, 20663496]

約数ペア:

[(1, 20663496), (2, 10331748), (3, 6887832), (4, 5165874), (6, 3443916), (7, 2951928), (8, 2582937), (9, 2295944), (12, 1721958), (14, 1475964), (18, 1147972), (21, 983976), (24, 860979), (28, 737982), (36, 573986), (42, 491988), (49, 421704), (56, 368991), (63, 327992), (72, 286993), (84, 245994), (98, 210852), (126, 163996), (147, 140568), (168, 122997), (196, 105426), (252, 81998), (294, 70284), (392, 52713), (441, 46856), (504, 40999), (588, 35142), (882, 23428), (1176, 17571), (1764, 11714), (3528, 5857)]