20627082

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:492

約数の個数: 64

約数和(自身を含む): 52842240

約数和(自身を除く): 32215158

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 197, 277, 378, 394, 554, 591, 831, 1182, 1379, 1662, 1773, 1939, 2493, 2758, 3546, 3878, 4137, 4986, 5319, 5817, 7479, 8274, 10638, 11634, 12411, 14958, 17451, 24822, 34902, 37233, 52353, 54569, 74466, 104706, 109138, 163707, 327414, 381983, 491121, 763966, 982242, 1145949, 1473363, 2291898, 2946726, 3437847, 6875694, 10313541, 20627082]

約数ペア:

[(1, 20627082), (2, 10313541), (3, 6875694), (6, 3437847), (7, 2946726), (9, 2291898), (14, 1473363), (18, 1145949), (21, 982242), (27, 763966), (42, 491121), (54, 381983), (63, 327414), (126, 163707), (189, 109138), (197, 104706), (277, 74466), (378, 54569), (394, 52353), (554, 37233), (591, 34902), (831, 24822), (1182, 17451), (1379, 14958), (1662, 12411), (1773, 11634), (1939, 10638), (2493, 8274), (2758, 7479), (3546, 5817), (3878, 5319), (4137, 4986)]