20841138

素因数分解:

$2^1\times 3^5\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:134

約数の個数: 96

約数和(自身を含む): 51455040

約数和(自身を除く): 30613902

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 37, 38, 54, 57, 61, 74, 81, 111, 114, 122, 162, 171, 183, 222, 243, 333, 342, 366, 486, 513, 549, 666, 703, 999, 1026, 1098, 1159, 1406, 1539, 1647, 1998, 2109, 2257, 2318, 2997, 3078, 3294, 3477, 4218, 4514, 4617, 4941, 5994, 6327, 6771, 6954, 8991, 9234, 9882, 10431, 12654, 13542, 14823, 17982, 18981, 20313, 20862, 29646, 31293, 37962, 40626, 42883, 56943, 60939, 62586, 85766, 93879, 113886, 121878, 128649, 170829, 182817, 187758, 257298, 281637, 341658, 365634, 385947, 548451, 563274, 771894, 1096902, 1157841, 2315682, 3473523, 6947046, 10420569, 20841138]

約数ペア:

[(1, 20841138), (2, 10420569), (3, 6947046), (6, 3473523), (9, 2315682), (18, 1157841), (19, 1096902), (27, 771894), (37, 563274), (38, 548451), (54, 385947), (57, 365634), (61, 341658), (74, 281637), (81, 257298), (111, 187758), (114, 182817), (122, 170829), (162, 128649), (171, 121878), (183, 113886), (222, 93879), (243, 85766), (333, 62586), (342, 60939), (366, 56943), (486, 42883), (513, 40626), (549, 37962), (666, 31293), (703, 29646), (999, 20862), (1026, 20313), (1098, 18981), (1159, 17982), (1406, 14823), (1539, 13542), (1647, 12654), (1998, 10431), (2109, 9882), (2257, 9234), (2318, 8991), (2997, 6954), (3078, 6771), (3294, 6327), (3477, 5994), (4218, 4941), (4514, 4617)]