20197086

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:617

約数の個数: 64

約数和(自身を含む): 50512896

約数和(自身を除く): 30315810

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 71, 78, 91, 142, 182, 213, 273, 426, 497, 521, 546, 923, 994, 1042, 1491, 1563, 1846, 2769, 2982, 3126, 3647, 5538, 6461, 6773, 7294, 10941, 12922, 13546, 19383, 20319, 21882, 36991, 38766, 40638, 47411, 73982, 94822, 110973, 142233, 221946, 258937, 284466, 480883, 517874, 776811, 961766, 1442649, 1553622, 2885298, 3366181, 6732362, 10098543, 20197086]

約数ペア:

[(1, 20197086), (2, 10098543), (3, 6732362), (6, 3366181), (7, 2885298), (13, 1553622), (14, 1442649), (21, 961766), (26, 776811), (39, 517874), (42, 480883), (71, 284466), (78, 258937), (91, 221946), (142, 142233), (182, 110973), (213, 94822), (273, 73982), (426, 47411), (497, 40638), (521, 38766), (546, 36991), (923, 21882), (994, 20319), (1042, 19383), (1491, 13546), (1563, 12922), (1846, 10941), (2769, 7294), (2982, 6773), (3126, 6461), (3647, 5538)]